Home / 102,155,465.52-140,977,519.59-55,748,708.58

Finding the Fourth Proportional to 102,155,465.52, 140,977,519.59 and 55,748,708.58

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Solution

The fourth proportional to 102,155,465.52, 140,977,519.59 and 55,748,708.58 is: 76,934,842.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,155,465.52 : 140,977,519.59 = 55,748,708.58 : x
  2. Step 2: Convert to fraction form
    102,155,465.52/140,977,519.59 = 55,748,708.58/x
  3. Step 3: Cross multiply
    102,155,465.52x = 140,977,519.59 × 55,748,708.58
  4. Step 4: Simplify right side
    102,155,465.52x = 7,859,314,655,954,151
  5. Step 5: Solve for x
    x = 7,859,314,655,954,151/102,155,465.52
  6. Step 6: Final answer
    x = 76,934,842.56

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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.