Home / 89,834,430.30-134,499,703.05-87,315,006.30

Finding the Fourth Proportional to 89,834,430.30, 134,499,703.05 and 87,315,006.30

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Solution

The fourth proportional to 89,834,430.30, 134,499,703.05 and 87,315,006.30 is: 130,727,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,834,430.30 : 134,499,703.05 = 87,315,006.30 : x
  2. Step 2: Convert to fraction form
    89,834,430.30/134,499,703.05 = 87,315,006.30/x
  3. Step 3: Cross multiply
    89,834,430.30x = 134,499,703.05 × 87,315,006.30
  4. Step 4: Simplify right side
    89,834,430.30x = 11,743,842,419,158,880
  5. Step 5: Solve for x
    x = 11,743,842,419,158,880/89,834,430.30
  6. Step 6: Final answer
    x = 130,727,632.82

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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.