Home / 127,890,421.76-176,488,657.60-69,152,946.24

Finding the Fourth Proportional to 127,890,421.76, 176,488,657.60 and 69,152,946.24

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Solution

The fourth proportional to 127,890,421.76, 176,488,657.60 and 69,152,946.24 is: 95,430,998.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,890,421.76 : 176,488,657.60 = 69,152,946.24 : x
  2. Step 2: Convert to fraction form
    127,890,421.76/176,488,657.60 = 69,152,946.24/x
  3. Step 3: Cross multiply
    127,890,421.76x = 176,488,657.60 × 69,152,946.24
  4. Step 4: Simplify right side
    127,890,421.76x = 12,204,710,650,982,566
  5. Step 5: Solve for x
    x = 12,204,710,650,982,566/127,890,421.76
  6. Step 6: Final answer
    x = 95,430,998.53

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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.