Home / 51,763,807.92-71,425,275.66-30,855,465.84

Finding the Fourth Proportional to 51,763,807.92, 71,425,275.66 and 30,855,465.84

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Solution

The fourth proportional to 51,763,807.92, 71,425,275.66 and 30,855,465.84 is: 42,575,309.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,763,807.92 : 71,425,275.66 = 30,855,465.84 : x
  2. Step 2: Convert to fraction form
    51,763,807.92/71,425,275.66 = 30,855,465.84/x
  3. Step 3: Cross multiply
    51,763,807.92x = 71,425,275.66 × 30,855,465.84
  4. Step 4: Simplify right side
    51,763,807.92x = 2,203,860,153,239,713.25
  5. Step 5: Solve for x
    x = 2,203,860,153,239,713.25/51,763,807.92
  6. Step 6: Final answer
    x = 42,575,309.70

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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.