Home / 89,834,445.80-134,499,726.30-87,315,021.80

Finding the Fourth Proportional to 89,834,445.80, 134,499,726.30 and 87,315,021.80

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Solution

The fourth proportional to 89,834,445.80, 134,499,726.30 and 87,315,021.80 is: 130,727,656.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,834,445.80 : 134,499,726.30 = 87,315,021.80 : x
  2. Step 2: Convert to fraction form
    89,834,445.80/134,499,726.30 = 87,315,021.80/x
  3. Step 3: Cross multiply
    89,834,445.80x = 134,499,726.30 × 87,315,021.80
  4. Step 4: Simplify right side
    89,834,445.80x = 11,743,846,533,978,534
  5. Step 5: Solve for x
    x = 11,743,846,533,978,534/89,834,445.80
  6. Step 6: Final answer
    x = 130,727,656.07

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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.