Home / 197,761,001.60-272,885,098.08-108,429,437.38

Finding the Fourth Proportional to 197,761,001.60, 272,885,098.08 and 108,429,437.38

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Solution

The fourth proportional to 197,761,001.60, 272,885,098.08 and 108,429,437.38 is: 149,618,870.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,761,001.60 : 272,885,098.08 = 108,429,437.38 : x
  2. Step 2: Convert to fraction form
    197,761,001.60/272,885,098.08 = 108,429,437.38/x
  3. Step 3: Cross multiply
    197,761,001.60x = 272,885,098.08 × 108,429,437.38
  4. Step 4: Simplify right side
    197,761,001.60x = 29,588,777,654,200,516
  5. Step 5: Solve for x
    x = 29,588,777,654,200,516/197,761,001.60
  6. Step 6: Final answer
    x = 149,618,870.33

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1.5x scale

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.