Home / 131,488,015.40-197,232,023.10-127,708,879.40

Finding the Fourth Proportional to 131,488,015.40, 197,232,023.10 and 127,708,879.40

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Solution

The fourth proportional to 131,488,015.40, 197,232,023.10 and 127,708,879.40 is: 191,563,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,488,015.40 : 197,232,023.10 = 127,708,879.40 : x
  2. Step 2: Convert to fraction form
    131,488,015.40/197,232,023.10 = 127,708,879.40/x
  3. Step 3: Cross multiply
    131,488,015.40x = 197,232,023.10 × 127,708,879.40
  4. Step 4: Simplify right side
    131,488,015.40x = 25,188,280,651,895,916
  5. Step 5: Solve for x
    x = 25,188,280,651,895,916/131,488,015.40
  6. Step 6: Final answer
    x = 191,563,319.10

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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.