Home / 127,890,432.84-176,488,672.86-69,152,957.40

Finding the Fourth Proportional to 127,890,432.84, 176,488,672.86 and 69,152,957.40

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Solution

The fourth proportional to 127,890,432.84, 176,488,672.86 and 69,152,957.40 is: 95,431,013.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,890,432.84 : 176,488,672.86 = 69,152,957.40 : x
  2. Step 2: Convert to fraction form
    127,890,432.84/176,488,672.86 = 69,152,957.40/x
  3. Step 3: Cross multiply
    127,890,432.84x = 176,488,672.86 × 69,152,957.40
  4. Step 4: Simplify right side
    127,890,432.84x = 12,204,713,675,870,118
  5. Step 5: Solve for x
    x = 12,204,713,675,870,118/127,890,432.84
  6. Step 6: Final answer
    x = 95,431,013.91

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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.