Home / 144,880,660.40-217,331,488.20-87,248,836.40

Finding the Fourth Proportional to 144,880,660.40, 217,331,488.20 and 87,248,836.40

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Solution

The fourth proportional to 144,880,660.40, 217,331,488.20 and 87,248,836.40 is: 130,879,576.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,880,660.40 : 217,331,488.20 = 87,248,836.40 : x
  2. Step 2: Convert to fraction form
    144,880,660.40/217,331,488.20 = 87,248,836.40/x
  3. Step 3: Cross multiply
    144,880,660.40x = 217,331,488.20 × 87,248,836.40
  4. Step 4: Simplify right side
    144,880,660.40x = 18,961,919,458,530,332
  5. Step 5: Solve for x
    x = 18,961,919,458,530,332/144,880,660.40
  6. Step 6: Final answer
    x = 130,879,576.38

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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.