Home / 107,029,077.71-147,720,841.17-69,794,715.02

Finding the Fourth Proportional to 107,029,077.71, 147,720,841.17 and 69,794,715.02

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Solution

The fourth proportional to 107,029,077.71, 147,720,841.17 and 69,794,715.02 is: 96,330,214.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,029,077.71 : 147,720,841.17 = 69,794,715.02 : x
  2. Step 2: Convert to fraction form
    107,029,077.71/147,720,841.17 = 69,794,715.02/x
  3. Step 3: Cross multiply
    107,029,077.71x = 147,720,841.17 × 69,794,715.02
  4. Step 4: Simplify right side
    107,029,077.71x = 10,310,134,011,974,832
  5. Step 5: Solve for x
    x = 10,310,134,011,974,832/107,029,077.71
  6. Step 6: Final answer
    x = 96,330,214.49

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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.