Home / 102,155,275.18-140,977,257.11-55,748,518.39

Finding the Fourth Proportional to 102,155,275.18, 140,977,257.11 and 55,748,518.39

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Solution

The fourth proportional to 102,155,275.18, 140,977,257.11 and 55,748,518.39 is: 76,934,580.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,155,275.18 : 140,977,257.11 = 55,748,518.39 : x
  2. Step 2: Convert to fraction form
    102,155,275.18/140,977,257.11 = 55,748,518.39/x
  3. Step 3: Cross multiply
    102,155,275.18x = 140,977,257.11 × 55,748,518.39
  4. Step 4: Simplify right side
    102,155,275.18x = 7,859,273,210,568,594
  5. Step 5: Solve for x
    x = 7,859,273,210,568,594/102,155,275.18
  6. Step 6: Final answer
    x = 76,934,580.19

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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.