Home / 78,961,281.86-108,966,924.34-44,153,984.90

Finding the Fourth Proportional to 78,961,281.86, 108,966,924.34 and 44,153,984.90

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Solution

The fourth proportional to 78,961,281.86, 108,966,924.34 and 44,153,984.90 is: 60,932,697.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,961,281.86 : 108,966,924.34 = 44,153,984.90 : x
  2. Step 2: Convert to fraction form
    78,961,281.86/108,966,924.34 = 44,153,984.90/x
  3. Step 3: Cross multiply
    78,961,281.86x = 108,966,924.34 × 44,153,984.90
  4. Step 4: Simplify right side
    78,961,281.86x = 4,811,323,931,907,802
  5. Step 5: Solve for x
    x = 4,811,323,931,907,802/78,961,281.86
  6. Step 6: Final answer
    x = 60,932,697.88

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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.