Home / 121,241,401.80-181,862,102.70-59,859,966.30

Finding the Fourth Proportional to 121,241,401.80, 181,862,102.70 and 59,859,966.30

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Solution

The fourth proportional to 121,241,401.80, 181,862,102.70 and 59,859,966.30 is: 89,789,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,241,401.80 : 181,862,102.70 = 59,859,966.30 : x
  2. Step 2: Convert to fraction form
    121,241,401.80/181,862,102.70 = 59,859,966.30/x
  3. Step 3: Cross multiply
    121,241,401.80x = 181,862,102.70 × 59,859,966.30
  4. Step 4: Simplify right side
    121,241,401.80x = 10,886,259,338,869,138
  5. Step 5: Solve for x
    x = 10,886,259,338,869,138/121,241,401.80
  6. Step 6: Final answer
    x = 89,789,949.45

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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.