Home / 40,931,449.20-61,397,173.80-19,408,088.70

Finding the Fourth Proportional to 40,931,449.20, 61,397,173.80 and 19,408,088.70

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Solution

The fourth proportional to 40,931,449.20, 61,397,173.80 and 19,408,088.70 is: 29,112,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,931,449.20 : 61,397,173.80 = 19,408,088.70 : x
  2. Step 2: Convert to fraction form
    40,931,449.20/61,397,173.80 = 19,408,088.70/x
  3. Step 3: Cross multiply
    40,931,449.20x = 61,397,173.80 × 19,408,088.70
  4. Step 4: Simplify right side
    40,931,449.20x = 1,191,601,795,039,716
  5. Step 5: Solve for x
    x = 1,191,601,795,039,716/40,931,449.20
  6. Step 6: Final answer
    x = 29,112,133.05

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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.