Home / 135,297,052.86-186,707,343.15-76,558,648.98

Finding the Fourth Proportional to 135,297,052.86, 186,707,343.15 and 76,558,648.98

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Solution

The fourth proportional to 135,297,052.86, 186,707,343.15 and 76,558,648.98 is: 105,649,470.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,297,052.86 : 186,707,343.15 = 76,558,648.98 : x
  2. Step 2: Convert to fraction form
    135,297,052.86/186,707,343.15 = 76,558,648.98/x
  3. Step 3: Cross multiply
    135,297,052.86x = 186,707,343.15 × 76,558,648.98
  4. Step 4: Simplify right side
    135,297,052.86x = 14,294,061,946,209,258
  5. Step 5: Solve for x
    x = 14,294,061,946,209,258/135,297,052.86
  6. Step 6: Final answer
    x = 105,649,470.14

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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.