Home / 121,013,322.40-181,368,610.80-60,445,954.72

Finding the Fourth Proportional to 121,013,322.40, 181,368,610.80 and 60,445,954.72

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Solution

The fourth proportional to 121,013,322.40, 181,368,610.80 and 60,445,954.72 is: 90,593,321.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,013,322.40 : 181,368,610.80 = 60,445,954.72 : x
  2. Step 2: Convert to fraction form
    121,013,322.40/181,368,610.80 = 60,445,954.72/x
  3. Step 3: Cross multiply
    121,013,322.40x = 181,368,610.80 × 60,445,954.72
  4. Step 4: Simplify right side
    121,013,322.40x = 10,962,998,836,046,104
  5. Step 5: Solve for x
    x = 10,962,998,836,046,104/121,013,322.40
  6. Step 6: Final answer
    x = 90,593,321.62

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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.