Home / 243,222,316.32-335,652,227.28-138,798,308.64

Finding the Fourth Proportional to 243,222,316.32, 335,652,227.28 and 138,798,308.64

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Solution

The fourth proportional to 243,222,316.32, 335,652,227.28 and 138,798,308.64 is: 191,544,765.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,222,316.32 : 335,652,227.28 = 138,798,308.64 : x
  2. Step 2: Convert to fraction form
    243,222,316.32/335,652,227.28 = 138,798,308.64/x
  3. Step 3: Cross multiply
    243,222,316.32x = 335,652,227.28 × 138,798,308.64
  4. Step 4: Simplify right side
    243,222,316.32x = 46,587,961,437,712,856
  5. Step 5: Solve for x
    x = 46,587,961,437,712,856/243,222,316.32
  6. Step 6: Final answer
    x = 191,544,765.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.