Home / 89,532,406.40-134,497,675.20-86,148,291.20

Finding the Fourth Proportional to 89,532,406.40, 134,497,675.20 and 86,148,291.20

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Solution

The fourth proportional to 89,532,406.40, 134,497,675.20 and 86,148,291.20 is: 129,413,978.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,532,406.40 : 134,497,675.20 = 86,148,291.20 : x
  2. Step 2: Convert to fraction form
    89,532,406.40/134,497,675.20 = 86,148,291.20/x
  3. Step 3: Cross multiply
    89,532,406.40x = 134,497,675.20 × 86,148,291.20
  4. Step 4: Simplify right side
    89,532,406.40x = 11,586,744,888,852,618
  5. Step 5: Solve for x
    x = 11,586,744,888,852,618/89,532,406.40
  6. Step 6: Final answer
    x = 129,413,978.19

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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.