Home / 120,398,397.43-166,146,962.57-70,841,980.89

Finding the Fourth Proportional to 120,398,397.43, 166,146,962.57 and 70,841,980.89

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Solution

The fourth proportional to 120,398,397.43, 166,146,962.57 and 70,841,980.89 is: 97,760,270.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,398,397.43 : 166,146,962.57 = 70,841,980.89 : x
  2. Step 2: Convert to fraction form
    120,398,397.43/166,146,962.57 = 70,841,980.89/x
  3. Step 3: Cross multiply
    120,398,397.43x = 166,146,962.57 × 70,841,980.89
  4. Step 4: Simplify right side
    120,398,397.43x = 11,770,179,947,315,484
  5. Step 5: Solve for x
    x = 11,770,179,947,315,484/120,398,397.43
  6. Step 6: Final answer
    x = 97,760,270.89

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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.