Home / 129,990,985.62-179,282,961.24-114,276,410.24

Finding the Fourth Proportional to 129,990,985.62, 179,282,961.24 and 114,276,410.24

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Solution

The fourth proportional to 129,990,985.62, 179,282,961.24 and 114,276,410.24 is: 157,609,492.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,990,985.62 : 179,282,961.24 = 114,276,410.24 : x
  2. Step 2: Convert to fraction form
    129,990,985.62/179,282,961.24 = 114,276,410.24/x
  3. Step 3: Cross multiply
    129,990,985.62x = 179,282,961.24 × 114,276,410.24
  4. Step 4: Simplify right side
    129,990,985.62x = 20,487,813,227,704,260
  5. Step 5: Solve for x
    x = 20,487,813,227,704,260/129,990,985.62
  6. Step 6: Final answer
    x = 157,609,492.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.