Home / 127,890,437.34-176,488,679.07-69,152,961.90

Finding the Fourth Proportional to 127,890,437.34, 176,488,679.07 and 69,152,961.90

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Solution

The fourth proportional to 127,890,437.34, 176,488,679.07 and 69,152,961.90 is: 95,431,020.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,890,437.34 : 176,488,679.07 = 69,152,961.90 : x
  2. Step 2: Convert to fraction form
    127,890,437.34/176,488,679.07 = 69,152,961.90/x
  3. Step 3: Cross multiply
    127,890,437.34x = 176,488,679.07 × 69,152,961.90
  4. Step 4: Simplify right side
    127,890,437.34x = 12,204,714,899,509,038
  5. Step 5: Solve for x
    x = 12,204,714,899,509,038/127,890,437.34
  6. Step 6: Final answer
    x = 95,431,020.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.