Home / 154,452,327.20-231,674,948.40-77,754,759.20

Finding the Fourth Proportional to 154,452,327.20, 231,674,948.40 and 77,754,759.20

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Solution

The fourth proportional to 154,452,327.20, 231,674,948.40 and 77,754,759.20 is: 116,630,355.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,452,327.20 : 231,674,948.40 = 77,754,759.20 : x
  2. Step 2: Convert to fraction form
    154,452,327.20/231,674,948.40 = 77,754,759.20/x
  3. Step 3: Cross multiply
    154,452,327.20x = 231,674,948.40 × 77,754,759.20
  4. Step 4: Simplify right side
    154,452,327.20x = 18,013,829,825,514,426
  5. Step 5: Solve for x
    x = 18,013,829,825,514,426/154,452,327.20
  6. Step 6: Final answer
    x = 116,630,355.48

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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.