Home / 143,791,305.30-215,686,957.95-109,779,081.30

Finding the Fourth Proportional to 143,791,305.30, 215,686,957.95 and 109,779,081.30

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Solution

The fourth proportional to 143,791,305.30, 215,686,957.95 and 109,779,081.30 is: 164,668,621.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,791,305.30 : 215,686,957.95 = 109,779,081.30 : x
  2. Step 2: Convert to fraction form
    143,791,305.30/215,686,957.95 = 109,779,081.30/x
  3. Step 3: Cross multiply
    143,791,305.30x = 215,686,957.95 × 109,779,081.30
  4. Step 4: Simplify right side
    143,791,305.30x = 23,677,916,092,142,728
  5. Step 5: Solve for x
    x = 23,677,916,092,142,728/143,791,305.30
  6. Step 6: Final answer
    x = 164,668,621.95

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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.