Home / 64,164,347.70-96,246,521.55-21,023,148.30

Finding the Fourth Proportional to 64,164,347.70, 96,246,521.55 and 21,023,148.30

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Solution

The fourth proportional to 64,164,347.70, 96,246,521.55 and 21,023,148.30 is: 31,534,722.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,164,347.70 : 96,246,521.55 = 21,023,148.30 : x
  2. Step 2: Convert to fraction form
    64,164,347.70/96,246,521.55 = 21,023,148.30/x
  3. Step 3: Cross multiply
    64,164,347.70x = 96,246,521.55 × 21,023,148.30
  4. Step 4: Simplify right side
    64,164,347.70x = 2,023,404,895,904,795.75
  5. Step 5: Solve for x
    x = 2,023,404,895,904,795.75/64,164,347.70
  6. Step 6: Final answer
    x = 31,534,722.45

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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.