Home / 146,713,399.20-219,547,551.60-127,752,400.80

Finding the Fourth Proportional to 146,713,399.20, 219,547,551.60 and 127,752,400.80

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Solution

The fourth proportional to 146,713,399.20, 219,547,551.60 and 127,752,400.80 is: 191,173,587.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,713,399.20 : 219,547,551.60 = 127,752,400.80 : x
  2. Step 2: Convert to fraction form
    146,713,399.20/219,547,551.60 = 127,752,400.80/x
  3. Step 3: Cross multiply
    146,713,399.20x = 219,547,551.60 × 127,752,400.80
  4. Step 4: Simplify right side
    146,713,399.20x = 28,047,726,806,661,880
  5. Step 5: Solve for x
    x = 28,047,726,806,661,880/146,713,399.20
  6. Step 6: Final answer
    x = 191,173,587.14

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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.