Home / 72,610,089.49-108,947,297.49-38,058,279.87

Finding the Fourth Proportional to 72,610,089.49, 108,947,297.49 and 38,058,279.87

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Solution

The fourth proportional to 72,610,089.49, 108,947,297.49 and 38,058,279.87 is: 57,104,278.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,610,089.49 : 108,947,297.49 = 38,058,279.87 : x
  2. Step 2: Convert to fraction form
    72,610,089.49/108,947,297.49 = 38,058,279.87/x
  3. Step 3: Cross multiply
    72,610,089.49x = 108,947,297.49 × 38,058,279.87
  4. Step 4: Simplify right side
    72,610,089.49x = 4,146,346,739,220,402.50
  5. Step 5: Solve for x
    x = 4,146,346,739,220,402.50/72,610,089.49
  6. Step 6: Final answer
    x = 57,104,278.05

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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.