Home / 121,230,278.40-181,845,417.60-34,971,499.20

Finding the Fourth Proportional to 121,230,278.40, 181,845,417.60 and 34,971,499.20

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Solution

The fourth proportional to 121,230,278.40, 181,845,417.60 and 34,971,499.20 is: 52,457,248.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,230,278.40 : 181,845,417.60 = 34,971,499.20 : x
  2. Step 2: Convert to fraction form
    121,230,278.40/181,845,417.60 = 34,971,499.20/x
  3. Step 3: Cross multiply
    121,230,278.40x = 181,845,417.60 × 34,971,499.20
  4. Step 4: Simplify right side
    121,230,278.40x = 6,359,406,876,122,066
  5. Step 5: Solve for x
    x = 6,359,406,876,122,066/121,230,278.40
  6. Step 6: Final answer
    x = 52,457,248.80

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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.