Home / 102,155,273.43-140,977,254.69-55,748,516.64

Finding the Fourth Proportional to 102,155,273.43, 140,977,254.69 and 55,748,516.64

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Solution

The fourth proportional to 102,155,273.43, 140,977,254.69 and 55,748,516.64 is: 76,934,577.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,155,273.43 : 140,977,254.69 = 55,748,516.64 : x
  2. Step 2: Convert to fraction form
    102,155,273.43/140,977,254.69 = 55,748,516.64/x
  3. Step 3: Cross multiply
    102,155,273.43x = 140,977,254.69 × 55,748,516.64
  4. Step 4: Simplify right side
    102,155,273.43x = 7,859,272,828,946,983
  5. Step 5: Solve for x
    x = 7,859,272,828,946,983/102,155,273.43
  6. Step 6: Final answer
    x = 76,934,577.78

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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.