Home / 87,046,531.40-130,457,822.70-52,931,664.20

Finding the Fourth Proportional to 87,046,531.40, 130,457,822.70 and 52,931,664.20

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Solution

The fourth proportional to 87,046,531.40, 130,457,822.70 and 52,931,664.20 is: 79,329,406.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,046,531.40 : 130,457,822.70 = 52,931,664.20 : x
  2. Step 2: Convert to fraction form
    87,046,531.40/130,457,822.70 = 52,931,664.20/x
  3. Step 3: Cross multiply
    87,046,531.40x = 130,457,822.70 × 52,931,664.20
  4. Step 4: Simplify right side
    87,046,531.40x = 6,905,349,663,419,538
  5. Step 5: Solve for x
    x = 6,905,349,663,419,538/87,046,531.40
  6. Step 6: Final answer
    x = 79,329,406.38

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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.