Home / 99,681,456.64-149,521,188.48-31,524,160

Finding the Fourth Proportional to 99,681,456.64, 149,521,188.48 and 31,524,160

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Solution

The fourth proportional to 99,681,456.64, 149,521,188.48 and 31,524,160 is: 47,285,924.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,681,456.64 : 149,521,188.48 = 31,524,160 : x
  2. Step 2: Convert to fraction form
    99,681,456.64/149,521,188.48 = 31,524,160/x
  3. Step 3: Cross multiply
    99,681,456.64x = 149,521,188.48 × 31,524,160
  4. Step 4: Simplify right side
    99,681,456.64x = 4,713,529,869,033,676
  5. Step 5: Solve for x
    x = 4,713,529,869,033,676/99,681,456.64
  6. Step 6: Final answer
    x = 47,285,924.86

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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.