Home / 126,847,005.40-190,270,508.10-66,254,858.20

Finding the Fourth Proportional to 126,847,005.40, 190,270,508.10 and 66,254,858.20

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Solution

The fourth proportional to 126,847,005.40, 190,270,508.10 and 66,254,858.20 is: 99,382,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,847,005.40 : 190,270,508.10 = 66,254,858.20 : x
  2. Step 2: Convert to fraction form
    126,847,005.40/190,270,508.10 = 66,254,858.20/x
  3. Step 3: Cross multiply
    126,847,005.40x = 190,270,508.10 × 66,254,858.20
  4. Step 4: Simplify right side
    126,847,005.40x = 12,606,345,533,807,452
  5. Step 5: Solve for x
    x = 12,606,345,533,807,452/126,847,005.40
  6. Step 6: Final answer
    x = 99,382,287.30

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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.