Home / 63,789,931.80-95,619,579.30-31,392,005.40

Finding the Fourth Proportional to 63,789,931.80, 95,619,579.30 and 31,392,005.40

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Solution

The fourth proportional to 63,789,931.80, 95,619,579.30 and 31,392,005.40 is: 47,055,863.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,789,931.80 : 95,619,579.30 = 31,392,005.40 : x
  2. Step 2: Convert to fraction form
    63,789,931.80/95,619,579.30 = 31,392,005.40/x
  3. Step 3: Cross multiply
    63,789,931.80x = 95,619,579.30 × 31,392,005.40
  4. Step 4: Simplify right side
    63,789,931.80x = 3,001,690,349,731,328
  5. Step 5: Solve for x
    x = 3,001,690,349,731,328/63,789,931.80
  6. Step 6: Final answer
    x = 47,055,863.91

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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.