Home / 78,349,347.52-108,088,560.60-48,929,604.88

Finding the Fourth Proportional to 78,349,347.52, 108,088,560.60 and 48,929,604.88

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Solution

The fourth proportional to 78,349,347.52, 108,088,560.60 and 48,929,604.88 is: 67,501,909.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,349,347.52 : 108,088,560.60 = 48,929,604.88 : x
  2. Step 2: Convert to fraction form
    78,349,347.52/108,088,560.60 = 48,929,604.88/x
  3. Step 3: Cross multiply
    78,349,347.52x = 108,088,560.60 × 48,929,604.88
  4. Step 4: Simplify right side
    78,349,347.52x = 5,288,730,562,205,936
  5. Step 5: Solve for x
    x = 5,288,730,562,205,936/78,349,347.52
  6. Step 6: Final answer
    x = 67,501,909.46

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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.