Home / 80,638,387.60-121,004,820.60-29,525,573.20

Finding the Fourth Proportional to 80,638,387.60, 121,004,820.60 and 29,525,573.20

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Solution

The fourth proportional to 80,638,387.60, 121,004,820.60 and 29,525,573.20 is: 44,305,656.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,638,387.60 : 121,004,820.60 = 29,525,573.20 : x
  2. Step 2: Convert to fraction form
    80,638,387.60/121,004,820.60 = 29,525,573.20/x
  3. Step 3: Cross multiply
    80,638,387.60x = 121,004,820.60 × 29,525,573.20
  4. Step 4: Simplify right side
    80,638,387.60x = 3,572,736,688,178,167.50
  5. Step 5: Solve for x
    x = 3,572,736,688,178,167.50/80,638,387.60
  6. Step 6: Final answer
    x = 44,305,656.33

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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.