Home / 139,070,282.20-208,456,124.10-52,775,344.60

Finding the Fourth Proportional to 139,070,282.20, 208,456,124.10 and 52,775,344.60

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Solution

The fourth proportional to 139,070,282.20, 208,456,124.10 and 52,775,344.60 is: 79,106,359.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,070,282.20 : 208,456,124.10 = 52,775,344.60 : x
  2. Step 2: Convert to fraction form
    139,070,282.20/208,456,124.10 = 52,775,344.60/x
  3. Step 3: Cross multiply
    139,070,282.20x = 208,456,124.10 × 52,775,344.60
  4. Step 4: Simplify right side
    139,070,282.20x = 11,001,343,783,357,864
  5. Step 5: Solve for x
    x = 11,001,343,783,357,864/139,070,282.20
  6. Step 6: Final answer
    x = 79,106,359.82

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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.