Home / 86,544,872.20-129,817,308.30-29,039,019.40

Finding the Fourth Proportional to 86,544,872.20, 129,817,308.30 and 29,039,019.40

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Solution

The fourth proportional to 86,544,872.20, 129,817,308.30 and 29,039,019.40 is: 43,558,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,544,872.20 : 129,817,308.30 = 29,039,019.40 : x
  2. Step 2: Convert to fraction form
    86,544,872.20/129,817,308.30 = 29,039,019.40/x
  3. Step 3: Cross multiply
    86,544,872.20x = 129,817,308.30 × 29,039,019.40
  4. Step 4: Simplify right side
    86,544,872.20x = 3,769,767,334,179,480.50
  5. Step 5: Solve for x
    x = 3,769,767,334,179,480.50/86,544,872.20
  6. Step 6: Final answer
    x = 43,558,529.10

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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.