Home / 43,016,428.80-64,524,643.20-40,494,931.20

Finding the Fourth Proportional to 43,016,428.80, 64,524,643.20 and 40,494,931.20

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Solution

The fourth proportional to 43,016,428.80, 64,524,643.20 and 40,494,931.20 is: 60,742,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,016,428.80 : 64,524,643.20 = 40,494,931.20 : x
  2. Step 2: Convert to fraction form
    43,016,428.80/64,524,643.20 = 40,494,931.20/x
  3. Step 3: Cross multiply
    43,016,428.80x = 64,524,643.20 × 40,494,931.20
  4. Step 4: Simplify right side
    43,016,428.80x = 2,612,920,987,088,548
  5. Step 5: Solve for x
    x = 2,612,920,987,088,548/43,016,428.80
  6. Step 6: Final answer
    x = 60,742,396.80

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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.