Home / 89,345,419.20-134,018,128.80-28,761,145.20

Finding the Fourth Proportional to 89,345,419.20, 134,018,128.80 and 28,761,145.20

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Solution

The fourth proportional to 89,345,419.20, 134,018,128.80 and 28,761,145.20 is: 43,141,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,345,419.20 : 134,018,128.80 = 28,761,145.20 : x
  2. Step 2: Convert to fraction form
    89,345,419.20/134,018,128.80 = 28,761,145.20/x
  3. Step 3: Cross multiply
    89,345,419.20x = 134,018,128.80 × 28,761,145.20
  4. Step 4: Simplify right side
    89,345,419.20x = 3,854,514,861,849,101.50
  5. Step 5: Solve for x
    x = 3,854,514,861,849,101.50/89,345,419.20
  6. Step 6: Final answer
    x = 43,141,717.80

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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.