Home / 112,227,564.30-168,341,346.45-105,991,989.90

Finding the Fourth Proportional to 112,227,564.30, 168,341,346.45 and 105,991,989.90

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Solution

The fourth proportional to 112,227,564.30, 168,341,346.45 and 105,991,989.90 is: 158,987,984.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,227,564.30 : 168,341,346.45 = 105,991,989.90 : x
  2. Step 2: Convert to fraction form
    112,227,564.30/168,341,346.45 = 105,991,989.90/x
  3. Step 3: Cross multiply
    112,227,564.30x = 168,341,346.45 × 105,991,989.90
  4. Step 4: Simplify right side
    112,227,564.30x = 17,842,834,292,680,800
  5. Step 5: Solve for x
    x = 17,842,834,292,680,800/112,227,564.30
  6. Step 6: Final answer
    x = 158,987,984.85

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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.