Home / 80,734,228.20-121,018,673.70-39,730,602.60

Finding the Fourth Proportional to 80,734,228.20, 121,018,673.70 and 39,730,602.60

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Solution

The fourth proportional to 80,734,228.20, 121,018,673.70 and 39,730,602.60 is: 59,555,221.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,734,228.20 : 121,018,673.70 = 39,730,602.60 : x
  2. Step 2: Convert to fraction form
    80,734,228.20/121,018,673.70 = 39,730,602.60/x
  3. Step 3: Cross multiply
    80,734,228.20x = 121,018,673.70 × 39,730,602.60
  4. Step 4: Simplify right side
    80,734,228.20x = 4,808,144,831,953,772
  5. Step 5: Solve for x
    x = 4,808,144,831,953,772/80,734,228.20
  6. Step 6: Final answer
    x = 59,555,221.36

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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.