Home / 53,187,737.10-79,781,605.65-20,828,885.10

Finding the Fourth Proportional to 53,187,737.10, 79,781,605.65 and 20,828,885.10

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Solution

The fourth proportional to 53,187,737.10, 79,781,605.65 and 20,828,885.10 is: 31,243,327.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,187,737.10 : 79,781,605.65 = 20,828,885.10 : x
  2. Step 2: Convert to fraction form
    53,187,737.10/79,781,605.65 = 20,828,885.10/x
  3. Step 3: Cross multiply
    53,187,737.10x = 79,781,605.65 × 20,828,885.10
  4. Step 4: Simplify right side
    53,187,737.10x = 1,661,761,897,177,361
  5. Step 5: Solve for x
    x = 1,661,761,897,177,361/53,187,737.10
  6. Step 6: Final answer
    x = 31,243,327.65

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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.