Home / 123,725,771.42-185,518,702.40-40,705,057.89

Finding the Fourth Proportional to 123,725,771.42, 185,518,702.40 and 40,705,057.89

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Solution

The fourth proportional to 123,725,771.42, 185,518,702.40 and 40,705,057.89 is: 61,034,572.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,725,771.42 : 185,518,702.40 = 40,705,057.89 : x
  2. Step 2: Convert to fraction form
    123,725,771.42/185,518,702.40 = 40,705,057.89/x
  3. Step 3: Cross multiply
    123,725,771.42x = 185,518,702.40 × 40,705,057.89
  4. Step 4: Simplify right side
    123,725,771.42x = 7,551,549,519,942,088
  5. Step 5: Solve for x
    x = 7,551,549,519,942,088/123,725,771.42
  6. Step 6: Final answer
    x = 61,034,572.13

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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.