Home / 255,312,700.20-382,720,218.30-146,025,685.80

Finding the Fourth Proportional to 255,312,700.20, 382,720,218.30 and 146,025,685.80

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Solution

The fourth proportional to 255,312,700.20, 382,720,218.30 and 146,025,685.80 is: 218,896,209.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,312,700.20 : 382,720,218.30 = 146,025,685.80 : x
  2. Step 2: Convert to fraction form
    255,312,700.20/382,720,218.30 = 146,025,685.80/x
  3. Step 3: Cross multiply
    255,312,700.20x = 382,720,218.30 × 146,025,685.80
  4. Step 4: Simplify right side
    255,312,700.20x = 55,886,982,346,783,216
  5. Step 5: Solve for x
    x = 55,886,982,346,783,216/255,312,700.20
  6. Step 6: Final answer
    x = 218,896,209.64

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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.