Home / 102,155,283.96-140,977,269.24-55,748,527.20

Finding the Fourth Proportional to 102,155,283.96, 140,977,269.24 and 55,748,527.20

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Solution

The fourth proportional to 102,155,283.96, 140,977,269.24 and 55,748,527.20 is: 76,934,592.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,155,283.96 : 140,977,269.24 = 55,748,527.20 : x
  2. Step 2: Convert to fraction form
    102,155,283.96/140,977,269.24 = 55,748,527.20/x
  3. Step 3: Cross multiply
    102,155,283.96x = 140,977,269.24 × 55,748,527.20
  4. Step 4: Simplify right side
    102,155,283.96x = 7,859,275,128,807,864
  5. Step 5: Solve for x
    x = 7,859,275,128,807,864/102,155,283.96
  6. Step 6: Final answer
    x = 76,934,592.36

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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.