Home / 105,188,054.60-145,156,728.30-58,778,689.88

Finding the Fourth Proportional to 105,188,054.60, 145,156,728.30 and 58,778,689.88

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Solution

The fourth proportional to 105,188,054.60, 145,156,728.30 and 58,778,689.88 is: 81,113,034.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,188,054.60 : 145,156,728.30 = 58,778,689.88 : x
  2. Step 2: Convert to fraction form
    105,188,054.60/145,156,728.30 = 58,778,689.88/x
  3. Step 3: Cross multiply
    105,188,054.60x = 145,156,728.30 × 58,778,689.88
  4. Step 4: Simplify right side
    105,188,054.60x = 8,532,122,316,741,121
  5. Step 5: Solve for x
    x = 8,532,122,316,741,121/105,188,054.60
  6. Step 6: Final answer
    x = 81,113,034.64

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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.