Home / 123,725,774.42-185,518,706.90-40,705,060.88

Finding the Fourth Proportional to 123,725,774.42, 185,518,706.90 and 40,705,060.88

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Solution

The fourth proportional to 123,725,774.42, 185,518,706.90 and 40,705,060.88 is: 61,034,576.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,725,774.42 : 185,518,706.90 = 40,705,060.88 : x
  2. Step 2: Convert to fraction form
    123,725,774.42/185,518,706.90 = 40,705,060.88/x
  3. Step 3: Cross multiply
    123,725,774.42x = 185,518,706.90 × 40,705,060.88
  4. Step 4: Simplify right side
    123,725,774.42x = 7,551,550,258,743,377
  5. Step 5: Solve for x
    x = 7,551,550,258,743,377/123,725,774.42
  6. Step 6: Final answer
    x = 61,034,576.62

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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.