Home / 85,087,117.69-117,418,627.60-52,044,939.59

Finding the Fourth Proportional to 85,087,117.69, 117,418,627.60 and 52,044,939.59

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Solution

The fourth proportional to 85,087,117.69, 117,418,627.60 and 52,044,939.59 is: 71,821,041.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,087,117.69 : 117,418,627.60 = 52,044,939.59 : x
  2. Step 2: Convert to fraction form
    85,087,117.69/117,418,627.60 = 52,044,939.59/x
  3. Step 3: Cross multiply
    85,087,117.69x = 117,418,627.60 × 52,044,939.59
  4. Step 4: Simplify right side
    85,087,117.69x = 6,111,045,379,335,389
  5. Step 5: Solve for x
    x = 6,111,045,379,335,389/85,087,117.69
  6. Step 6: Final answer
    x = 71,821,041.14

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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.