Home / 105,188,052.60-145,156,725.54-58,778,687.88

Finding the Fourth Proportional to 105,188,052.60, 145,156,725.54 and 58,778,687.88

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Solution

The fourth proportional to 105,188,052.60, 145,156,725.54 and 58,778,687.88 is: 81,113,031.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,188,052.60 : 145,156,725.54 = 58,778,687.88 : x
  2. Step 2: Convert to fraction form
    105,188,052.60/145,156,725.54 = 58,778,687.88/x
  3. Step 3: Cross multiply
    105,188,052.60x = 145,156,725.54 × 58,778,687.88
  4. Step 4: Simplify right side
    105,188,052.60x = 8,532,121,864,198,484
  5. Step 5: Solve for x
    x = 8,532,121,864,198,484/105,188,052.60
  6. Step 6: Final answer
    x = 81,113,031.88

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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.