Home / 121,215,459.15-181,850,056.02-34,947,133.70

Finding the Fourth Proportional to 121,215,459.15, 181,850,056.02 and 34,947,133.70

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Solution

The fourth proportional to 121,215,459.15, 181,850,056.02 and 34,947,133.70 is: 52,428,446.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,215,459.15 : 181,850,056.02 = 34,947,133.70 : x
  2. Step 2: Convert to fraction form
    121,215,459.15/181,850,056.02 = 34,947,133.70/x
  3. Step 3: Cross multiply
    121,215,459.15x = 181,850,056.02 × 34,947,133.70
  4. Step 4: Simplify right side
    121,215,459.15x = 6,355,138,220,174,180
  5. Step 5: Solve for x
    x = 6,355,138,220,174,180/121,215,459.15
  6. Step 6: Final answer
    x = 52,428,446.54

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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.