Home / 156,550,421.20-234,825,631.80-147,622,212.40

Finding the Fourth Proportional to 156,550,421.20, 234,825,631.80 and 147,622,212.40

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Solution

The fourth proportional to 156,550,421.20, 234,825,631.80 and 147,622,212.40 is: 221,433,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,550,421.20 : 234,825,631.80 = 147,622,212.40 : x
  2. Step 2: Convert to fraction form
    156,550,421.20/234,825,631.80 = 147,622,212.40/x
  3. Step 3: Cross multiply
    156,550,421.20x = 234,825,631.80 × 147,622,212.40
  4. Step 4: Simplify right side
    156,550,421.20x = 34,665,479,294,543,796
  5. Step 5: Solve for x
    x = 34,665,479,294,543,796/156,550,421.20
  6. Step 6: Final answer
    x = 221,433,318.60

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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.