Home / 217,064,399.20-325,596,598.80-130,970,957.20

Finding the Fourth Proportional to 217,064,399.20, 325,596,598.80 and 130,970,957.20

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Solution

The fourth proportional to 217,064,399.20, 325,596,598.80 and 130,970,957.20 is: 196,456,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,064,399.20 : 325,596,598.80 = 130,970,957.20 : x
  2. Step 2: Convert to fraction form
    217,064,399.20/325,596,598.80 = 130,970,957.20/x
  3. Step 3: Cross multiply
    217,064,399.20x = 325,596,598.80 × 130,970,957.20
  4. Step 4: Simplify right side
    217,064,399.20x = 42,643,698,205,900,376
  5. Step 5: Solve for x
    x = 42,643,698,205,900,376/217,064,399.20
  6. Step 6: Final answer
    x = 196,456,435.80

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1.5x scale

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.