Home / 78,833,479.61-108,000,061.70-75,886,054.25

Finding the Fourth Proportional to 78,833,479.61, 108,000,061.70 and 75,886,054.25

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Solution

The fourth proportional to 78,833,479.61, 108,000,061.70 and 75,886,054.25 is: 103,962,156.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,833,479.61 : 108,000,061.70 = 75,886,054.25 : x
  2. Step 2: Convert to fraction form
    78,833,479.61/108,000,061.70 = 75,886,054.25/x
  3. Step 3: Cross multiply
    78,833,479.61x = 108,000,061.70 × 75,886,054.25
  4. Step 4: Simplify right side
    78,833,479.61x = 8,195,698,540,250,117
  5. Step 5: Solve for x
    x = 8,195,698,540,250,117/78,833,479.61
  6. Step 6: Final answer
    x = 103,962,156.44

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.