Home / 145,615,122.47-218,423,500.25-48,570,563.66

Finding the Fourth Proportional to 145,615,122.47, 218,423,500.25 and 48,570,563.66

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Solution

The fourth proportional to 145,615,122.47, 218,423,500.25 and 48,570,563.66 is: 72,856,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,615,122.47 : 218,423,500.25 = 48,570,563.66 : x
  2. Step 2: Convert to fraction form
    145,615,122.47/218,423,500.25 = 48,570,563.66/x
  3. Step 3: Cross multiply
    145,615,122.47x = 218,423,500.25 × 48,570,563.66
  4. Step 4: Simplify right side
    145,615,122.47x = 10,608,952,522,397,682
  5. Step 5: Solve for x
    x = 10,608,952,522,397,682/145,615,122.47
  6. Step 6: Final answer
    x = 72,856,117.84

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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.