Home / 144,828,385.40-217,242,578.10-83,606,382.20

Finding the Fourth Proportional to 144,828,385.40, 217,242,578.10 and 83,606,382.20

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Solution

The fourth proportional to 144,828,385.40, 217,242,578.10 and 83,606,382.20 is: 125,409,573.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,828,385.40 : 217,242,578.10 = 83,606,382.20 : x
  2. Step 2: Convert to fraction form
    144,828,385.40/217,242,578.10 = 83,606,382.20/x
  3. Step 3: Cross multiply
    144,828,385.40x = 217,242,578.10 × 83,606,382.20
  4. Step 4: Simplify right side
    144,828,385.40x = 18,162,866,014,741,948
  5. Step 5: Solve for x
    x = 18,162,866,014,741,948/144,828,385.40
  6. Step 6: Final answer
    x = 125,409,573.30

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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.