Home / 111,703,341.60-167,555,012.40-77,265,964.80

Finding the Fourth Proportional to 111,703,341.60, 167,555,012.40 and 77,265,964.80

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Solution

The fourth proportional to 111,703,341.60, 167,555,012.40 and 77,265,964.80 is: 115,898,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,703,341.60 : 167,555,012.40 = 77,265,964.80 : x
  2. Step 2: Convert to fraction form
    111,703,341.60/167,555,012.40 = 77,265,964.80/x
  3. Step 3: Cross multiply
    111,703,341.60x = 167,555,012.40 × 77,265,964.80
  4. Step 4: Simplify right side
    111,703,341.60x = 12,946,299,690,161,964
  5. Step 5: Solve for x
    x = 12,946,299,690,161,964/111,703,341.60
  6. Step 6: Final answer
    x = 115,898,947.20

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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.