Home / 112,072,358.80-168,108,538.20-107,767,686.70

Finding the Fourth Proportional to 112,072,358.80, 168,108,538.20 and 107,767,686.70

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Solution

The fourth proportional to 112,072,358.80, 168,108,538.20 and 107,767,686.70 is: 161,651,530.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,072,358.80 : 168,108,538.20 = 107,767,686.70 : x
  2. Step 2: Convert to fraction form
    112,072,358.80/168,108,538.20 = 107,767,686.70/x
  3. Step 3: Cross multiply
    112,072,358.80x = 168,108,538.20 × 107,767,686.70
  4. Step 4: Simplify right side
    112,072,358.80x = 18,116,668,276,332,580
  5. Step 5: Solve for x
    x = 18,116,668,276,332,580/112,072,358.80
  6. Step 6: Final answer
    x = 161,651,530.05

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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.