Home / 42,993,711.91-64,426,794.90-31,578,359.23

Finding the Fourth Proportional to 42,993,711.91, 64,426,794.90 and 31,578,359.23

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Solution

The fourth proportional to 42,993,711.91, 64,426,794.90 and 31,578,359.23 is: 47,320,698.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,993,711.91 : 64,426,794.90 = 31,578,359.23 : x
  2. Step 2: Convert to fraction form
    42,993,711.91/64,426,794.90 = 31,578,359.23/x
  3. Step 3: Cross multiply
    42,993,711.91x = 64,426,794.90 × 31,578,359.23
  4. Step 4: Simplify right side
    42,993,711.91x = 2,034,492,473,351,846.50
  5. Step 5: Solve for x
    x = 2,034,492,473,351,846.50/42,993,711.91
  6. Step 6: Final answer
    x = 47,320,698.37

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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.