Home / 110,482,969.12-152,439,834.78-71,316,357.90

Finding the Fourth Proportional to 110,482,969.12, 152,439,834.78 and 71,316,357.90

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Solution

The fourth proportional to 110,482,969.12, 152,439,834.78 and 71,316,357.90 is: 98,399,363.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,482,969.12 : 152,439,834.78 = 71,316,357.90 : x
  2. Step 2: Convert to fraction form
    110,482,969.12/152,439,834.78 = 71,316,357.90/x
  3. Step 3: Cross multiply
    110,482,969.12x = 152,439,834.78 × 71,316,357.90
  4. Step 4: Simplify right side
    110,482,969.12x = 10,871,453,815,387,348
  5. Step 5: Solve for x
    x = 10,871,453,815,387,348/110,482,969.12
  6. Step 6: Final answer
    x = 98,399,363.29

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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.