Home / 87,841,931.40-131,814,660.30-36,720,011.40

Finding the Fourth Proportional to 87,841,931.40, 131,814,660.30 and 36,720,011.40

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Solution

The fourth proportional to 87,841,931.40, 131,814,660.30 and 36,720,011.40 is: 55,101,655.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,841,931.40 : 131,814,660.30 = 36,720,011.40 : x
  2. Step 2: Convert to fraction form
    87,841,931.40/131,814,660.30 = 36,720,011.40/x
  3. Step 3: Cross multiply
    87,841,931.40x = 131,814,660.30 × 36,720,011.40
  4. Step 4: Simplify right side
    87,841,931.40x = 4,840,235,828,903,127
  5. Step 5: Solve for x
    x = 4,840,235,828,903,127/87,841,931.40
  6. Step 6: Final answer
    x = 55,101,655.35

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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.