Home / 144,879,542.40-217,329,811.20-87,247,718.40

Finding the Fourth Proportional to 144,879,542.40, 217,329,811.20 and 87,247,718.40

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Solution

The fourth proportional to 144,879,542.40, 217,329,811.20 and 87,247,718.40 is: 130,877,899.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,879,542.40 : 217,329,811.20 = 87,247,718.40 : x
  2. Step 2: Convert to fraction form
    144,879,542.40/217,329,811.20 = 87,247,718.40/x
  3. Step 3: Cross multiply
    144,879,542.40x = 217,329,811.20 × 87,247,718.40
  4. Step 4: Simplify right side
    144,879,542.40x = 18,961,530,167,502,768
  5. Step 5: Solve for x
    x = 18,961,530,167,502,768/144,879,542.40
  6. Step 6: Final answer
    x = 130,877,899.35

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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.