Home / 102,155,464.52-140,977,518.21-55,748,707.58

Finding the Fourth Proportional to 102,155,464.52, 140,977,518.21 and 55,748,707.58

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Solution

The fourth proportional to 102,155,464.52, 140,977,518.21 and 55,748,707.58 is: 76,934,841.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,155,464.52 : 140,977,518.21 = 55,748,707.58 : x
  2. Step 2: Convert to fraction form
    102,155,464.52/140,977,518.21 = 55,748,707.58/x
  3. Step 3: Cross multiply
    102,155,464.52x = 140,977,518.21 × 55,748,707.58
  4. Step 4: Simplify right side
    102,155,464.52x = 7,859,314,438,043,415
  5. Step 5: Solve for x
    x = 7,859,314,438,043,415/102,155,464.52
  6. Step 6: Final answer
    x = 76,934,841.18

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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.