Home / 102,155,272.93-140,977,254-55,748,516.14

Finding the Fourth Proportional to 102,155,272.93, 140,977,254 and 55,748,516.14

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Solution

The fourth proportional to 102,155,272.93, 140,977,254 and 55,748,516.14 is: 76,934,577.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,155,272.93 : 140,977,254 = 55,748,516.14 : x
  2. Step 2: Convert to fraction form
    102,155,272.93/140,977,254 = 55,748,516.14/x
  3. Step 3: Cross multiply
    102,155,272.93x = 140,977,254 × 55,748,516.14
  4. Step 4: Simplify right side
    102,155,272.93x = 7,859,272,719,991,880
  5. Step 5: Solve for x
    x = 7,859,272,719,991,880/102,155,272.93
  6. Step 6: Final answer
    x = 76,934,577.09

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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.