Home / 84,200,585.10-126,300,877.65-79,523,904.30

Finding the Fourth Proportional to 84,200,585.10, 126,300,877.65 and 79,523,904.30

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Solution

The fourth proportional to 84,200,585.10, 126,300,877.65 and 79,523,904.30 is: 119,285,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,200,585.10 : 126,300,877.65 = 79,523,904.30 : x
  2. Step 2: Convert to fraction form
    84,200,585.10/126,300,877.65 = 79,523,904.30/x
  3. Step 3: Cross multiply
    84,200,585.10x = 126,300,877.65 × 79,523,904.30
  4. Step 4: Simplify right side
    84,200,585.10x = 10,043,938,907,244,608
  5. Step 5: Solve for x
    x = 10,043,938,907,244,608/84,200,585.10
  6. Step 6: Final answer
    x = 119,285,856.45

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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.