Home / 102,155,288.96-140,977,276.14-55,748,532.20

Finding the Fourth Proportional to 102,155,288.96, 140,977,276.14 and 55,748,532.20

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Solution

The fourth proportional to 102,155,288.96, 140,977,276.14 and 55,748,532.20 is: 76,934,599.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,155,288.96 : 140,977,276.14 = 55,748,532.20 : x
  2. Step 2: Convert to fraction form
    102,155,288.96/140,977,276.14 = 55,748,532.20/x
  3. Step 3: Cross multiply
    102,155,288.96x = 140,977,276.14 × 55,748,532.20
  4. Step 4: Simplify right side
    102,155,288.96x = 7,859,276,218,359,081
  5. Step 5: Solve for x
    x = 7,859,276,218,359,081/102,155,288.96
  6. Step 6: Final answer
    x = 76,934,599.26

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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.