Home / 139,968,141.20-209,952,211.80-96,746,022.80

Finding the Fourth Proportional to 139,968,141.20, 209,952,211.80 and 96,746,022.80

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Solution

The fourth proportional to 139,968,141.20, 209,952,211.80 and 96,746,022.80 is: 145,119,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,141.20 : 209,952,211.80 = 96,746,022.80 : x
  2. Step 2: Convert to fraction form
    139,968,141.20/209,952,211.80 = 96,746,022.80/x
  3. Step 3: Cross multiply
    139,968,141.20x = 209,952,211.80 × 96,746,022.80
  4. Step 4: Simplify right side
    139,968,141.20x = 20,312,041,469,713,228
  5. Step 5: Solve for x
    x = 20,312,041,469,713,228/139,968,141.20
  6. Step 6: Final answer
    x = 145,119,034.20

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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.