Home / 121,409,278.67-182,087,825.27-38,417,607.74

Finding the Fourth Proportional to 121,409,278.67, 182,087,825.27 and 38,417,607.74

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Solution

The fourth proportional to 121,409,278.67, 182,087,825.27 and 38,417,607.74 is: 57,618,155.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,409,278.67 : 182,087,825.27 = 38,417,607.74 : x
  2. Step 2: Convert to fraction form
    121,409,278.67/182,087,825.27 = 38,417,607.74/x
  3. Step 3: Cross multiply
    121,409,278.67x = 182,087,825.27 × 38,417,607.74
  4. Step 4: Simplify right side
    121,409,278.67x = 6,995,378,644,349,992
  5. Step 5: Solve for x
    x = 6,995,378,644,349,992/121,409,278.67
  6. Step 6: Final answer
    x = 57,618,155.06

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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.