Home / 180,455,906.59-249,022,707.28-102,137,778.11

Finding the Fourth Proportional to 180,455,906.59, 249,022,707.28 and 102,137,778.11

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Solution

The fourth proportional to 180,455,906.59, 249,022,707.28 and 102,137,778.11 is: 140,946,486.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,455,906.59 : 249,022,707.28 = 102,137,778.11 : x
  2. Step 2: Convert to fraction form
    180,455,906.59/249,022,707.28 = 102,137,778.11/x
  3. Step 3: Cross multiply
    180,455,906.59x = 249,022,707.28 × 102,137,778.11
  4. Step 4: Simplify right side
    180,455,906.59x = 25,434,626,020,883,332
  5. Step 5: Solve for x
    x = 25,434,626,020,883,332/180,455,906.59
  6. Step 6: Final answer
    x = 140,946,486.61

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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.