Home / 65,138,520.49-97,710,923.18-21,418,311.04

Finding the Fourth Proportional to 65,138,520.49, 97,710,923.18 and 21,418,311.04

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Solution

The fourth proportional to 65,138,520.49, 97,710,923.18 and 21,418,311.04 is: 32,128,499.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,138,520.49 : 97,710,923.18 = 21,418,311.04 : x
  2. Step 2: Convert to fraction form
    65,138,520.49/97,710,923.18 = 21,418,311.04/x
  3. Step 3: Cross multiply
    65,138,520.49x = 97,710,923.18 × 21,418,311.04
  4. Step 4: Simplify right side
    65,138,520.49x = 2,092,802,944,484,054.50
  5. Step 5: Solve for x
    x = 2,092,802,944,484,054.50/65,138,520.49
  6. Step 6: Final answer
    x = 32,128,499.83

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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.