Home / 148,762,007.20-223,143,010.80-112,482,301.60

Finding the Fourth Proportional to 148,762,007.20, 223,143,010.80 and 112,482,301.60

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Solution

The fourth proportional to 148,762,007.20, 223,143,010.80 and 112,482,301.60 is: 168,723,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,762,007.20 : 223,143,010.80 = 112,482,301.60 : x
  2. Step 2: Convert to fraction form
    148,762,007.20/223,143,010.80 = 112,482,301.60/x
  3. Step 3: Cross multiply
    148,762,007.20x = 223,143,010.80 × 112,482,301.60
  4. Step 4: Simplify right side
    148,762,007.20x = 25,099,639,440,737,656
  5. Step 5: Solve for x
    x = 25,099,639,440,737,656/148,762,007.20
  6. Step 6: Final answer
    x = 168,723,452.40

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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.