Home / 193,584,117.69-267,146,120.85-105,478,115.37

Finding the Fourth Proportional to 193,584,117.69, 267,146,120.85 and 105,478,115.37

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Solution

The fourth proportional to 193,584,117.69, 267,146,120.85 and 105,478,115.37 is: 145,559,820.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,584,117.69 : 267,146,120.85 = 105,478,115.37 : x
  2. Step 2: Convert to fraction form
    193,584,117.69/267,146,120.85 = 105,478,115.37/x
  3. Step 3: Cross multiply
    193,584,117.69x = 267,146,120.85 × 105,478,115.37
  4. Step 4: Simplify right side
    193,584,117.69x = 28,178,069,354,906,552
  5. Step 5: Solve for x
    x = 28,178,069,354,906,552/193,584,117.69
  6. Step 6: Final answer
    x = 145,559,820.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.