Home / 181,446,008.80-272,169,013.20-66,392,312.80

Finding the Fourth Proportional to 181,446,008.80, 272,169,013.20 and 66,392,312.80

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Solution

The fourth proportional to 181,446,008.80, 272,169,013.20 and 66,392,312.80 is: 99,588,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,446,008.80 : 272,169,013.20 = 66,392,312.80 : x
  2. Step 2: Convert to fraction form
    181,446,008.80/272,169,013.20 = 66,392,312.80/x
  3. Step 3: Cross multiply
    181,446,008.80x = 272,169,013.20 × 66,392,312.80
  4. Step 4: Simplify right side
    181,446,008.80x = 18,069,930,258,841,728
  5. Step 5: Solve for x
    x = 18,069,930,258,841,728/181,446,008.80
  6. Step 6: Final answer
    x = 99,588,469.20

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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.