Home / 102,162,328.80-153,243,493.20-97,123,480.80

Finding the Fourth Proportional to 102,162,328.80, 153,243,493.20 and 97,123,480.80

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Solution

The fourth proportional to 102,162,328.80, 153,243,493.20 and 97,123,480.80 is: 145,685,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,162,328.80 : 153,243,493.20 = 97,123,480.80 : x
  2. Step 2: Convert to fraction form
    102,162,328.80/153,243,493.20 = 97,123,480.80/x
  3. Step 3: Cross multiply
    102,162,328.80x = 153,243,493.20 × 97,123,480.80
  4. Step 4: Simplify right side
    102,162,328.80x = 14,883,541,469,535,128
  5. Step 5: Solve for x
    x = 14,883,541,469,535,128/102,162,328.80
  6. Step 6: Final answer
    x = 145,685,221.20

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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.