Home / 121,077,097.44-181,679,419.12-69,994,991.76

Finding the Fourth Proportional to 121,077,097.44, 181,679,419.12 and 69,994,991.76

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Solution

The fourth proportional to 121,077,097.44, 181,679,419.12 and 69,994,991.76 is: 105,029,354.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,077,097.44 : 181,679,419.12 = 69,994,991.76 : x
  2. Step 2: Convert to fraction form
    121,077,097.44/181,679,419.12 = 69,994,991.76/x
  3. Step 3: Cross multiply
    121,077,097.44x = 181,679,419.12 × 69,994,991.76
  4. Step 4: Simplify right side
    121,077,097.44x = 12,716,649,444,265,988
  5. Step 5: Solve for x
    x = 12,716,649,444,265,988/121,077,097.44
  6. Step 6: Final answer
    x = 105,029,354.96

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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.