Home / 314,930,693.40-472,396,040.10-177,181,186.20

Finding the Fourth Proportional to 314,930,693.40, 472,396,040.10 and 177,181,186.20

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Solution

The fourth proportional to 314,930,693.40, 472,396,040.10 and 177,181,186.20 is: 265,771,779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,693.40 : 472,396,040.10 = 177,181,186.20 : x
  2. Step 2: Convert to fraction form
    314,930,693.40/472,396,040.10 = 177,181,186.20/x
  3. Step 3: Cross multiply
    314,930,693.40x = 472,396,040.10 × 177,181,186.20
  4. Step 4: Simplify right side
    314,930,693.40x = 83,699,690,741,100,768
  5. Step 5: Solve for x
    x = 83,699,690,741,100,768/314,930,693.40
  6. Step 6: Final answer
    x = 265,771,779.30

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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.