Home / 89,834,431.80-134,499,705.30-87,315,007.80

Finding the Fourth Proportional to 89,834,431.80, 134,499,705.30 and 87,315,007.80

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Solution

The fourth proportional to 89,834,431.80, 134,499,705.30 and 87,315,007.80 is: 130,727,635.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,834,431.80 : 134,499,705.30 = 87,315,007.80 : x
  2. Step 2: Convert to fraction form
    89,834,431.80/134,499,705.30 = 87,315,007.80/x
  3. Step 3: Cross multiply
    89,834,431.80x = 134,499,705.30 × 87,315,007.80
  4. Step 4: Simplify right side
    89,834,431.80x = 11,743,842,817,367,202
  5. Step 5: Solve for x
    x = 11,743,842,817,367,202/89,834,431.80
  6. Step 6: Final answer
    x = 130,727,635.07

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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.