Home / 85,217,277,957.60-117,503,607,208.08-63,738,685,872.48

Finding the Fourth Proportional to 85,217,277,957.60, 117,503,607,208.08 and 63,738,685,872.48

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Solution

The fourth proportional to 85,217,277,957.60, 117,503,607,208.08 and 63,738,685,872.48 is: 87,887,406,031.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,217,277,957.60 : 117,503,607,208.08 = 63,738,685,872.48 : x
  2. Step 2: Convert to fraction form
    85,217,277,957.60/117,503,607,208.08 = 63,738,685,872.48/x
  3. Step 3: Cross multiply
    85,217,277,957.60x = 117,503,607,208.08 × 63,738,685,872.48
  4. Step 4: Simplify right side
    85,217,277,957.60x = 7,489,525,508,719,087,976,448
  5. Step 5: Solve for x
    x = 7,489,525,508,719,087,976,448/85,217,277,957.60
  6. Step 6: Final answer
    x = 87,887,406,031.03

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.