Home / 89,731,079.40-134,596,619.10-76,817,063.10

Finding the Fourth Proportional to 89,731,079.40, 134,596,619.10 and 76,817,063.10

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Solution

The fourth proportional to 89,731,079.40, 134,596,619.10 and 76,817,063.10 is: 115,225,594.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,731,079.40 : 134,596,619.10 = 76,817,063.10 : x
  2. Step 2: Convert to fraction form
    89,731,079.40/134,596,619.10 = 76,817,063.10/x
  3. Step 3: Cross multiply
    89,731,079.40x = 134,596,619.10 × 76,817,063.10
  4. Step 4: Simplify right side
    89,731,079.40x = 10,339,316,982,451,364
  5. Step 5: Solve for x
    x = 10,339,316,982,451,364/89,731,079.40
  6. Step 6: Final answer
    x = 115,225,594.65

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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.