Home / 152,952,318.18-229,265,132.18-87,231,943.97

Finding the Fourth Proportional to 152,952,318.18, 229,265,132.18 and 87,231,943.97

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Solution

The fourth proportional to 152,952,318.18, 229,265,132.18 and 87,231,943.97 is: 130,754,756.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,952,318.18 : 229,265,132.18 = 87,231,943.97 : x
  2. Step 2: Convert to fraction form
    152,952,318.18/229,265,132.18 = 87,231,943.97/x
  3. Step 3: Cross multiply
    152,952,318.18x = 229,265,132.18 × 87,231,943.97
  4. Step 4: Simplify right side
    152,952,318.18x = 19,999,243,163,017,920
  5. Step 5: Solve for x
    x = 19,999,243,163,017,920/152,952,318.18
  6. Step 6: Final answer
    x = 130,754,756.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.