Home / 131,488,008.40-197,232,012.60-127,708,872.40

Finding the Fourth Proportional to 131,488,008.40, 197,232,012.60 and 127,708,872.40

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Solution

The fourth proportional to 131,488,008.40, 197,232,012.60 and 127,708,872.40 is: 191,563,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,488,008.40 : 197,232,012.60 = 127,708,872.40 : x
  2. Step 2: Convert to fraction form
    131,488,008.40/197,232,012.60 = 127,708,872.40/x
  3. Step 3: Cross multiply
    131,488,008.40x = 197,232,012.60 × 127,708,872.40
  4. Step 4: Simplify right side
    131,488,008.40x = 25,188,277,930,328,592
  5. Step 5: Solve for x
    x = 25,188,277,930,328,592/131,488,008.40
  6. Step 6: Final answer
    x = 191,563,308.60

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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.