Home / 217,064,390.20-325,596,585.30-130,970,948.20

Finding the Fourth Proportional to 217,064,390.20, 325,596,585.30 and 130,970,948.20

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Solution

The fourth proportional to 217,064,390.20, 325,596,585.30 and 130,970,948.20 is: 196,456,422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,064,390.20 : 325,596,585.30 = 130,970,948.20 : x
  2. Step 2: Convert to fraction form
    217,064,390.20/325,596,585.30 = 130,970,948.20/x
  3. Step 3: Cross multiply
    217,064,390.20x = 325,596,585.30 × 130,970,948.20
  4. Step 4: Simplify right side
    217,064,390.20x = 42,643,693,507,423,184
  5. Step 5: Solve for x
    x = 42,643,693,507,423,184/217,064,390.20
  6. Step 6: Final answer
    x = 196,456,422.30

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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.