Home / 144,812,464.40-217,229,194.20-87,180,640.40

Finding the Fourth Proportional to 144,812,464.40, 217,229,194.20 and 87,180,640.40

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Solution

The fourth proportional to 144,812,464.40, 217,229,194.20 and 87,180,640.40 is: 130,777,280.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,812,464.40 : 217,229,194.20 = 87,180,640.40 : x
  2. Step 2: Convert to fraction form
    144,812,464.40/217,229,194.20 = 87,180,640.40/x
  3. Step 3: Cross multiply
    144,812,464.40x = 217,229,194.20 × 87,180,640.40
  4. Step 4: Simplify right side
    144,812,464.40x = 18,938,180,263,931,964
  5. Step 5: Solve for x
    x = 18,938,180,263,931,964/144,812,464.40
  6. Step 6: Final answer
    x = 130,777,280.41

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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.