Home / 159,562,711.80-239,356,509.30-68,689,265.40

Finding the Fourth Proportional to 159,562,711.80, 239,356,509.30 and 68,689,265.40

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Solution

The fourth proportional to 159,562,711.80, 239,356,509.30 and 68,689,265.40 is: 103,039,254.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,562,711.80 : 239,356,509.30 = 68,689,265.40 : x
  2. Step 2: Convert to fraction form
    159,562,711.80/239,356,509.30 = 68,689,265.40/x
  3. Step 3: Cross multiply
    159,562,711.80x = 239,356,509.30 × 68,689,265.40
  4. Step 4: Simplify right side
    159,562,711.80x = 16,441,222,792,525,270
  5. Step 5: Solve for x
    x = 16,441,222,792,525,270/159,562,711.80
  6. Step 6: Final answer
    x = 103,039,254.02

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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.