Home / 185,713,057.42-278,575,786.26-83,477,390.29

Finding the Fourth Proportional to 185,713,057.42, 278,575,786.26 and 83,477,390.29

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Solution

The fourth proportional to 185,713,057.42, 278,575,786.26 and 83,477,390.29 is: 125,218,872.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,713,057.42 : 278,575,786.26 = 83,477,390.29 : x
  2. Step 2: Convert to fraction form
    185,713,057.42/278,575,786.26 = 83,477,390.29/x
  3. Step 3: Cross multiply
    185,713,057.42x = 278,575,786.26 × 83,477,390.29
  4. Step 4: Simplify right side
    185,713,057.42x = 23,254,779,634,969,640
  5. Step 5: Solve for x
    x = 23,254,779,634,969,640/185,713,057.42
  6. Step 6: Final answer
    x = 125,218,872.37

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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.