Home / 147,744,926.10-221,617,389.15-86,522,922.90

Finding the Fourth Proportional to 147,744,926.10, 221,617,389.15 and 86,522,922.90

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Solution

The fourth proportional to 147,744,926.10, 221,617,389.15 and 86,522,922.90 is: 129,784,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744,926.10 : 221,617,389.15 = 86,522,922.90 : x
  2. Step 2: Convert to fraction form
    147,744,926.10/221,617,389.15 = 86,522,922.90/x
  3. Step 3: Cross multiply
    147,744,926.10x = 221,617,389.15 × 86,522,922.90
  4. Step 4: Simplify right side
    147,744,926.10x = 19,174,984,274,724,748
  5. Step 5: Solve for x
    x = 19,174,984,274,724,748/147,744,926.10
  6. Step 6: Final answer
    x = 129,784,384.35

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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.