Home / 238,172,487.90-357,258,731.85-236,156,948.70

Finding the Fourth Proportional to 238,172,487.90, 357,258,731.85 and 236,156,948.70

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Solution

The fourth proportional to 238,172,487.90, 357,258,731.85 and 236,156,948.70 is: 354,235,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,172,487.90 : 357,258,731.85 = 236,156,948.70 : x
  2. Step 2: Convert to fraction form
    238,172,487.90/357,258,731.85 = 236,156,948.70/x
  3. Step 3: Cross multiply
    238,172,487.90x = 357,258,731.85 × 236,156,948.70
  4. Step 4: Simplify right side
    238,172,487.90x = 84,369,132,010,127,504
  5. Step 5: Solve for x
    x = 84,369,132,010,127,504/238,172,487.90
  6. Step 6: Final answer
    x = 354,235,423.05

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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.