Home / 87,046,526.40-130,457,815.20-52,931,659.20

Finding the Fourth Proportional to 87,046,526.40, 130,457,815.20 and 52,931,659.20

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Solution

The fourth proportional to 87,046,526.40, 130,457,815.20 and 52,931,659.20 is: 79,329,398.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,046,526.40 : 130,457,815.20 = 52,931,659.20 : x
  2. Step 2: Convert to fraction form
    87,046,526.40/130,457,815.20 = 52,931,659.20/x
  3. Step 3: Cross multiply
    87,046,526.40x = 130,457,815.20 × 52,931,659.20
  4. Step 4: Simplify right side
    87,046,526.40x = 6,905,348,614,142,980
  5. Step 5: Solve for x
    x = 6,905,348,614,142,980/87,046,526.40
  6. Step 6: Final answer
    x = 79,329,398.88

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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.