Home / 108,902,587.80-162,881,489.70-97,470,701.40

Finding the Fourth Proportional to 108,902,587.80, 162,881,489.70 and 97,470,701.40

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Solution

The fourth proportional to 108,902,587.80, 162,881,489.70 and 97,470,701.40 is: 145,783,248.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,902,587.80 : 162,881,489.70 = 97,470,701.40 : x
  2. Step 2: Convert to fraction form
    108,902,587.80/162,881,489.70 = 97,470,701.40/x
  3. Step 3: Cross multiply
    108,902,587.80x = 162,881,489.70 × 97,470,701.40
  4. Step 4: Simplify right side
    108,902,587.80x = 15,876,173,046,135,876
  5. Step 5: Solve for x
    x = 15,876,173,046,135,876/108,902,587.80
  6. Step 6: Final answer
    x = 145,783,248.74

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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.