Home / 126,029,543.10-189,044,314.65-30,291,431.10

Finding the Fourth Proportional to 126,029,543.10, 189,044,314.65 and 30,291,431.10

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Solution

The fourth proportional to 126,029,543.10, 189,044,314.65 and 30,291,431.10 is: 45,437,146.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,029,543.10 : 189,044,314.65 = 30,291,431.10 : x
  2. Step 2: Convert to fraction form
    126,029,543.10/189,044,314.65 = 30,291,431.10/x
  3. Step 3: Cross multiply
    126,029,543.10x = 189,044,314.65 × 30,291,431.10
  4. Step 4: Simplify right side
    126,029,543.10x = 5,726,422,832,067,196
  5. Step 5: Solve for x
    x = 5,726,422,832,067,196/126,029,543.10
  6. Step 6: Final answer
    x = 45,437,146.65

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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.