Home / 78,584,071.50-108,451,750.32-45,552,848.22

Finding the Fourth Proportional to 78,584,071.50, 108,451,750.32 and 45,552,848.22

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Solution

The fourth proportional to 78,584,071.50, 108,451,750.32 and 45,552,848.22 is: 62,866,253.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,584,071.50 : 108,451,750.32 = 45,552,848.22 : x
  2. Step 2: Convert to fraction form
    78,584,071.50/108,451,750.32 = 45,552,848.22/x
  3. Step 3: Cross multiply
    78,584,071.50x = 108,451,750.32 × 45,552,848.22
  4. Step 4: Simplify right side
    78,584,071.50x = 4,940,286,121,520,296
  5. Step 5: Solve for x
    x = 4,940,286,121,520,296/78,584,071.50
  6. Step 6: Final answer
    x = 62,866,253.01

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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.