Home / 187,536,008.78-258,799,692.10-105,029,793.54

Finding the Fourth Proportional to 187,536,008.78, 258,799,692.10 and 105,029,793.54

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Solution

The fourth proportional to 187,536,008.78, 258,799,692.10 and 105,029,793.54 is: 144,941,115.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,536,008.78 : 258,799,692.10 = 105,029,793.54 : x
  2. Step 2: Convert to fraction form
    187,536,008.78/258,799,692.10 = 105,029,793.54/x
  3. Step 3: Cross multiply
    187,536,008.78x = 258,799,692.10 × 105,029,793.54
  4. Step 4: Simplify right side
    187,536,008.78x = 27,181,678,229,478,572
  5. Step 5: Solve for x
    x = 27,181,678,229,478,572/187,536,008.78
  6. Step 6: Final answer
    x = 144,941,115.08

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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.