Home / 78,175,273.86-107,881,549.10-43,367,964.30

Finding the Fourth Proportional to 78,175,273.86, 107,881,549.10 and 43,367,964.30

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Solution

The fourth proportional to 78,175,273.86, 107,881,549.10 and 43,367,964.30 is: 59,847,608.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,175,273.86 : 107,881,549.10 = 43,367,964.30 : x
  2. Step 2: Convert to fraction form
    78,175,273.86/107,881,549.10 = 43,367,964.30/x
  3. Step 3: Cross multiply
    78,175,273.86x = 107,881,549.10 × 43,367,964.30
  4. Step 4: Simplify right side
    78,175,273.86x = 4,678,603,170,520,196
  5. Step 5: Solve for x
    x = 4,678,603,170,520,196/78,175,273.86
  6. Step 6: Final answer
    x = 59,847,608.32

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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.