Home / 56,959,479.54-78,604,459.14-30,853,997.40

Finding the Fourth Proportional to 56,959,479.54, 78,604,459.14 and 30,853,997.40

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Solution

The fourth proportional to 56,959,479.54, 78,604,459.14 and 30,853,997.40 is: 42,578,720.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,959,479.54 : 78,604,459.14 = 30,853,997.40 : x
  2. Step 2: Convert to fraction form
    56,959,479.54/78,604,459.14 = 30,853,997.40/x
  3. Step 3: Cross multiply
    56,959,479.54x = 78,604,459.14 × 30,853,997.40
  4. Step 4: Simplify right side
    56,959,479.54x = 2,425,261,777,933,966
  5. Step 5: Solve for x
    x = 2,425,261,777,933,966/56,959,479.54
  6. Step 6: Final answer
    x = 42,578,720.83

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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.