Home / 111,703,342.60-167,555,013.90-77,265,965.80

Finding the Fourth Proportional to 111,703,342.60, 167,555,013.90 and 77,265,965.80

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Solution

The fourth proportional to 111,703,342.60, 167,555,013.90 and 77,265,965.80 is: 115,898,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,703,342.60 : 167,555,013.90 = 77,265,965.80 : x
  2. Step 2: Convert to fraction form
    111,703,342.60/167,555,013.90 = 77,265,965.80/x
  3. Step 3: Cross multiply
    111,703,342.60x = 167,555,013.90 × 77,265,965.80
  4. Step 4: Simplify right side
    111,703,342.60x = 12,946,299,973,615,924
  5. Step 5: Solve for x
    x = 12,946,299,973,615,924/111,703,342.60
  6. Step 6: Final answer
    x = 115,898,948.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.