Home / 121,019,226.03-181,565,818.25-72,551,037.87

Finding the Fourth Proportional to 121,019,226.03, 181,565,818.25 and 72,551,037.87

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Solution

The fourth proportional to 121,019,226.03, 181,565,818.25 and 72,551,037.87 is: 108,848,725.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,019,226.03 : 181,565,818.25 = 72,551,037.87 : x
  2. Step 2: Convert to fraction form
    121,019,226.03/181,565,818.25 = 72,551,037.87/x
  3. Step 3: Cross multiply
    121,019,226.03x = 181,565,818.25 × 72,551,037.87
  4. Step 4: Simplify right side
    121,019,226.03x = 13,172,788,555,390,534
  5. Step 5: Solve for x
    x = 13,172,788,555,390,534/121,019,226.03
  6. Step 6: Final answer
    x = 108,848,725.84

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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.