Home / 121,231,737.40-181,847,606.10-53,207,289.40

Finding the Fourth Proportional to 121,231,737.40, 181,847,606.10 and 53,207,289.40

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Solution

The fourth proportional to 121,231,737.40, 181,847,606.10 and 53,207,289.40 is: 79,810,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,231,737.40 : 181,847,606.10 = 53,207,289.40 : x
  2. Step 2: Convert to fraction form
    121,231,737.40/181,847,606.10 = 53,207,289.40/x
  3. Step 3: Cross multiply
    121,231,737.40x = 181,847,606.10 × 53,207,289.40
  4. Step 4: Simplify right side
    121,231,737.40x = 9,675,618,204,459,904
  5. Step 5: Solve for x
    x = 9,675,618,204,459,904/121,231,737.40
  6. Step 6: Final answer
    x = 79,810,934.10

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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.