Home / 102,155,287.46-140,977,274.07-55,748,530.70

Finding the Fourth Proportional to 102,155,287.46, 140,977,274.07 and 55,748,530.70

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Solution

The fourth proportional to 102,155,287.46, 140,977,274.07 and 55,748,530.70 is: 76,934,597.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,155,287.46 : 140,977,274.07 = 55,748,530.70 : x
  2. Step 2: Convert to fraction form
    102,155,287.46/140,977,274.07 = 55,748,530.70/x
  3. Step 3: Cross multiply
    102,155,287.46x = 140,977,274.07 × 55,748,530.70
  4. Step 4: Simplify right side
    102,155,287.46x = 7,859,275,891,493,709
  5. Step 5: Solve for x
    x = 7,859,275,891,493,709/102,155,287.46
  6. Step 6: Final answer
    x = 76,934,597.19

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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.