Home / 132,861,552.40-199,292,328.60-74,509,330.60

Finding the Fourth Proportional to 132,861,552.40, 199,292,328.60 and 74,509,330.60

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Solution

The fourth proportional to 132,861,552.40, 199,292,328.60 and 74,509,330.60 is: 111,763,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,861,552.40 : 199,292,328.60 = 74,509,330.60 : x
  2. Step 2: Convert to fraction form
    132,861,552.40/199,292,328.60 = 74,509,330.60/x
  3. Step 3: Cross multiply
    132,861,552.40x = 199,292,328.60 × 74,509,330.60
  4. Step 4: Simplify right side
    132,861,552.40x = 14,849,137,997,701,234
  5. Step 5: Solve for x
    x = 14,849,137,997,701,234/132,861,552.40
  6. Step 6: Final answer
    x = 111,763,995.90

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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.