Home / 83,382,213.71-115,000,360.54-73,302,160.01

Finding the Fourth Proportional to 83,382,213.71, 115,000,360.54 and 73,302,160.01

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Solution

The fourth proportional to 83,382,213.71, 115,000,360.54 and 73,302,160.01 is: 101,097,997.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,382,213.71 : 115,000,360.54 = 73,302,160.01 : x
  2. Step 2: Convert to fraction form
    83,382,213.71/115,000,360.54 = 73,302,160.01/x
  3. Step 3: Cross multiply
    83,382,213.71x = 115,000,360.54 × 73,302,160.01
  4. Step 4: Simplify right side
    83,382,213.71x = 8,429,774,828,752,512
  5. Step 5: Solve for x
    x = 8,429,774,828,752,512/83,382,213.71
  6. Step 6: Final answer
    x = 101,097,997.44

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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.