Home / 53,899,868.32-80,817,419.52-21,071,337.46

Finding the Fourth Proportional to 53,899,868.32, 80,817,419.52 and 21,071,337.46

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Solution

The fourth proportional to 53,899,868.32, 80,817,419.52 and 21,071,337.46 is: 31,594,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,899,868.32 : 80,817,419.52 = 21,071,337.46 : x
  2. Step 2: Convert to fraction form
    53,899,868.32/80,817,419.52 = 21,071,337.46/x
  3. Step 3: Cross multiply
    53,899,868.32x = 80,817,419.52 × 21,071,337.46
  4. Step 4: Simplify right side
    53,899,868.32x = 1,702,931,119,150,267.50
  5. Step 5: Solve for x
    x = 1,702,931,119,150,267.50/53,899,868.32
  6. Step 6: Final answer
    x = 31,594,346.56

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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.