Home / 147,960,019.20-221,940,028.80-40,254,643.20

Finding the Fourth Proportional to 147,960,019.20, 221,940,028.80 and 40,254,643.20

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Solution

The fourth proportional to 147,960,019.20, 221,940,028.80 and 40,254,643.20 is: 60,381,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,960,019.20 : 221,940,028.80 = 40,254,643.20 : x
  2. Step 2: Convert to fraction form
    147,960,019.20/221,940,028.80 = 40,254,643.20/x
  3. Step 3: Cross multiply
    147,960,019.20x = 221,940,028.80 × 40,254,643.20
  4. Step 4: Simplify right side
    147,960,019.20x = 8,934,116,671,141,725
  5. Step 5: Solve for x
    x = 8,934,116,671,141,725/147,960,019.20
  6. Step 6: Final answer
    x = 60,381,964.80

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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.