Home / 108,864,030.80-163,296,046.20-97,778,565.20

Finding the Fourth Proportional to 108,864,030.80, 163,296,046.20 and 97,778,565.20

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Solution

The fourth proportional to 108,864,030.80, 163,296,046.20 and 97,778,565.20 is: 146,667,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,864,030.80 : 163,296,046.20 = 97,778,565.20 : x
  2. Step 2: Convert to fraction form
    108,864,030.80/163,296,046.20 = 97,778,565.20/x
  3. Step 3: Cross multiply
    108,864,030.80x = 163,296,046.20 × 97,778,565.20
  4. Step 4: Simplify right side
    108,864,030.80x = 15,966,853,100,268,912
  5. Step 5: Solve for x
    x = 15,966,853,100,268,912/108,864,030.80
  6. Step 6: Final answer
    x = 146,667,847.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.