Home / 85,212,007.20-127,818,010.80-48,932,301.60

Finding the Fourth Proportional to 85,212,007.20, 127,818,010.80 and 48,932,301.60

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Solution

The fourth proportional to 85,212,007.20, 127,818,010.80 and 48,932,301.60 is: 73,398,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,212,007.20 : 127,818,010.80 = 48,932,301.60 : x
  2. Step 2: Convert to fraction form
    85,212,007.20/127,818,010.80 = 48,932,301.60/x
  3. Step 3: Cross multiply
    85,212,007.20x = 127,818,010.80 × 48,932,301.60
  4. Step 4: Simplify right side
    85,212,007.20x = 6,254,429,454,377,657
  5. Step 5: Solve for x
    x = 6,254,429,454,377,657/85,212,007.20
  6. Step 6: Final answer
    x = 73,398,452.40

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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.