Home / 144,470,219.40-216,705,329.10-83,248,216.20

Finding the Fourth Proportional to 144,470,219.40, 216,705,329.10 and 83,248,216.20

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Solution

The fourth proportional to 144,470,219.40, 216,705,329.10 and 83,248,216.20 is: 124,872,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,470,219.40 : 216,705,329.10 = 83,248,216.20 : x
  2. Step 2: Convert to fraction form
    144,470,219.40/216,705,329.10 = 83,248,216.20/x
  3. Step 3: Cross multiply
    144,470,219.40x = 216,705,329.10 × 83,248,216.20
  4. Step 4: Simplify right side
    144,470,219.40x = 18,040,332,088,608,952
  5. Step 5: Solve for x
    x = 18,040,332,088,608,952/144,470,219.40
  6. Step 6: Final answer
    x = 124,872,324.30

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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.