Home / 80,853,411.20-121,280,116.80-23,347,558.40

Finding the Fourth Proportional to 80,853,411.20, 121,280,116.80 and 23,347,558.40

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Solution

The fourth proportional to 80,853,411.20, 121,280,116.80 and 23,347,558.40 is: 35,021,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,853,411.20 : 121,280,116.80 = 23,347,558.40 : x
  2. Step 2: Convert to fraction form
    80,853,411.20/121,280,116.80 = 23,347,558.40/x
  3. Step 3: Cross multiply
    80,853,411.20x = 121,280,116.80 × 23,347,558.40
  4. Step 4: Simplify right side
    80,853,411.20x = 2,831,594,609,746,821
  5. Step 5: Solve for x
    x = 2,831,594,609,746,821/80,853,411.20
  6. Step 6: Final answer
    x = 35,021,337.60

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1.5x scale

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.