Home / 52,112,079.28-78,168,680.16-15,720,784.93

Finding the Fourth Proportional to 52,112,079.28, 78,168,680.16 and 15,720,784.93

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Solution

The fourth proportional to 52,112,079.28, 78,168,680.16 and 15,720,784.93 is: 23,581,346.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,112,079.28 : 78,168,680.16 = 15,720,784.93 : x
  2. Step 2: Convert to fraction form
    52,112,079.28/78,168,680.16 = 15,720,784.93/x
  3. Step 3: Cross multiply
    52,112,079.28x = 78,168,680.16 × 15,720,784.93
  4. Step 4: Simplify right side
    52,112,079.28x = 1,228,873,009,057,318
  5. Step 5: Solve for x
    x = 1,228,873,009,057,318/52,112,079.28
  6. Step 6: Final answer
    x = 23,581,346.71

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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.