Home / 314,929,147.95-472,393,721.93-161,874,139.95

Finding the Fourth Proportional to 314,929,147.95, 472,393,721.93 and 161,874,139.95

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Solution

The fourth proportional to 314,929,147.95, 472,393,721.93 and 161,874,139.95 is: 242,811,209.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,147.95 : 472,393,721.93 = 161,874,139.95 : x
  2. Step 2: Convert to fraction form
    314,929,147.95/472,393,721.93 = 161,874,139.95/x
  3. Step 3: Cross multiply
    314,929,147.95x = 472,393,721.93 × 161,874,139.95
  4. Step 4: Simplify right side
    314,929,147.95x = 76,468,327,454,388,832
  5. Step 5: Solve for x
    x = 76,468,327,454,388,832/314,929,147.95
  6. Step 6: Final answer
    x = 242,811,209.93

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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.