Home / 142,532,079.52-213,807,824.16-45,495,091.84

Finding the Fourth Proportional to 142,532,079.52, 213,807,824.16 and 45,495,091.84

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Solution

The fourth proportional to 142,532,079.52, 213,807,824.16 and 45,495,091.84 is: 68,245,735.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,532,079.52 : 213,807,824.16 = 45,495,091.84 : x
  2. Step 2: Convert to fraction form
    142,532,079.52/213,807,824.16 = 45,495,091.84/x
  3. Step 3: Cross multiply
    142,532,079.52x = 213,807,824.16 × 45,495,091.84
  4. Step 4: Simplify right side
    142,532,079.52x = 9,727,206,596,269,772
  5. Step 5: Solve for x
    x = 9,727,206,596,269,772/142,532,079.52
  6. Step 6: Final answer
    x = 68,245,735.48

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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.