Home / 152,359,454.85-210,273,996.90-90,479,793.41

Finding the Fourth Proportional to 152,359,454.85, 210,273,996.90 and 90,479,793.41

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Solution

The fourth proportional to 152,359,454.85, 210,273,996.90 and 90,479,793.41 is: 124,872,774.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,359,454.85 : 210,273,996.90 = 90,479,793.41 : x
  2. Step 2: Convert to fraction form
    152,359,454.85/210,273,996.90 = 90,479,793.41/x
  3. Step 3: Cross multiply
    152,359,454.85x = 210,273,996.90 × 90,479,793.41
  4. Step 4: Simplify right side
    152,359,454.85x = 19,025,547,799,006,980
  5. Step 5: Solve for x
    x = 19,025,547,799,006,980/152,359,454.85
  6. Step 6: Final answer
    x = 124,872,774.18

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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.