Home / 154,249,732.31-231,392,155.61-55,927,742.04

Finding the Fourth Proportional to 154,249,732.31, 231,392,155.61 and 55,927,742.04

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Solution

The fourth proportional to 154,249,732.31, 231,392,155.61 and 55,927,742.04 is: 83,897,978.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,249,732.31 : 231,392,155.61 = 55,927,742.04 : x
  2. Step 2: Convert to fraction form
    154,249,732.31/231,392,155.61 = 55,927,742.04/x
  3. Step 3: Cross multiply
    154,249,732.31x = 231,392,155.61 × 55,927,742.04
  4. Step 4: Simplify right side
    154,249,732.31x = 12,941,240,789,175,438
  5. Step 5: Solve for x
    x = 12,941,240,789,175,438/154,249,732.31
  6. Step 6: Final answer
    x = 83,897,978.92

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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.