Home / 144,012,572.16-215,994,493.50-40,357,921.23

Finding the Fourth Proportional to 144,012,572.16, 215,994,493.50 and 40,357,921.23

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Solution

The fourth proportional to 144,012,572.16, 215,994,493.50 and 40,357,921.23 is: 60,530,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,012,572.16 : 215,994,493.50 = 40,357,921.23 : x
  2. Step 2: Convert to fraction form
    144,012,572.16/215,994,493.50 = 40,357,921.23/x
  3. Step 3: Cross multiply
    144,012,572.16x = 215,994,493.50 × 40,357,921.23
  4. Step 4: Simplify right side
    144,012,572.16x = 8,717,088,754,976,429
  5. Step 5: Solve for x
    x = 8,717,088,754,976,429/144,012,572.16
  6. Step 6: Final answer
    x = 60,530,053.90

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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.