Home / 154,549,557.30-231,824,335.95-69,614,901.30

Finding the Fourth Proportional to 154,549,557.30, 231,824,335.95 and 69,614,901.30

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Solution

The fourth proportional to 154,549,557.30, 231,824,335.95 and 69,614,901.30 is: 104,422,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,549,557.30 : 231,824,335.95 = 69,614,901.30 : x
  2. Step 2: Convert to fraction form
    154,549,557.30/231,824,335.95 = 69,614,901.30/x
  3. Step 3: Cross multiply
    154,549,557.30x = 231,824,335.95 × 69,614,901.30
  4. Step 4: Simplify right side
    154,549,557.30x = 16,138,428,266,097,290
  5. Step 5: Solve for x
    x = 16,138,428,266,097,290/154,549,557.30
  6. Step 6: Final answer
    x = 104,422,351.95

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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.