Home / 159,458,428.80-239,187,643.20-38,289,880.80

Finding the Fourth Proportional to 159,458,428.80, 239,187,643.20 and 38,289,880.80

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Solution

The fourth proportional to 159,458,428.80, 239,187,643.20 and 38,289,880.80 is: 57,434,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,458,428.80 : 239,187,643.20 = 38,289,880.80 : x
  2. Step 2: Convert to fraction form
    159,458,428.80/239,187,643.20 = 38,289,880.80/x
  3. Step 3: Cross multiply
    159,458,428.80x = 239,187,643.20 × 38,289,880.80
  4. Step 4: Simplify right side
    159,458,428.80x = 9,158,466,346,960,930
  5. Step 5: Solve for x
    x = 9,158,466,346,960,930/159,458,428.80
  6. Step 6: Final answer
    x = 57,434,821.20

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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.