Home / 102,155,331.27-140,977,334.34-55,748,574.35

Finding the Fourth Proportional to 102,155,331.27, 140,977,334.34 and 55,748,574.35

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Solution

The fourth proportional to 102,155,331.27, 140,977,334.34 and 55,748,574.35 is: 76,934,657.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,155,331.27 : 140,977,334.34 = 55,748,574.35 : x
  2. Step 2: Convert to fraction form
    102,155,331.27/140,977,334.34 = 55,748,574.35/x
  3. Step 3: Cross multiply
    102,155,331.27x = 140,977,334.34 × 55,748,574.35
  4. Step 4: Simplify right side
    102,155,331.27x = 7,859,285,404,413,412
  5. Step 5: Solve for x
    x = 7,859,285,404,413,412/102,155,331.27
  6. Step 6: Final answer
    x = 76,934,657.32

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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.