Home / 120,726,549.70-181,099,666.05-51,639,875.80

Finding the Fourth Proportional to 120,726,549.70, 181,099,666.05 and 51,639,875.80

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Solution

The fourth proportional to 120,726,549.70, 181,099,666.05 and 51,639,875.80 is: 77,464,023.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,726,549.70 : 181,099,666.05 = 51,639,875.80 : x
  2. Step 2: Convert to fraction form
    120,726,549.70/181,099,666.05 = 51,639,875.80/x
  3. Step 3: Cross multiply
    120,726,549.70x = 181,099,666.05 × 51,639,875.80
  4. Step 4: Simplify right side
    120,726,549.70x = 9,351,964,262,243,476
  5. Step 5: Solve for x
    x = 9,351,964,262,243,476/120,726,549.70
  6. Step 6: Final answer
    x = 77,464,023.33

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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.