Home / 102,155,290.96-140,977,278.90-55,748,534.20

Finding the Fourth Proportional to 102,155,290.96, 140,977,278.90 and 55,748,534.20

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Solution

The fourth proportional to 102,155,290.96, 140,977,278.90 and 55,748,534.20 is: 76,934,602.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,155,290.96 : 140,977,278.90 = 55,748,534.20 : x
  2. Step 2: Convert to fraction form
    102,155,290.96/140,977,278.90 = 55,748,534.20/x
  3. Step 3: Cross multiply
    102,155,290.96x = 140,977,278.90 × 55,748,534.20
  4. Step 4: Simplify right side
    102,155,290.96x = 7,859,276,654,179,589
  5. Step 5: Solve for x
    x = 7,859,276,654,179,589/102,155,290.96
  6. Step 6: Final answer
    x = 76,934,602.02

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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.