Home / 217,064,447.20-325,596,670.80-130,971,005.20

Finding the Fourth Proportional to 217,064,447.20, 325,596,670.80 and 130,971,005.20

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Solution

The fourth proportional to 217,064,447.20, 325,596,670.80 and 130,971,005.20 is: 196,456,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,064,447.20 : 325,596,670.80 = 130,971,005.20 : x
  2. Step 2: Convert to fraction form
    217,064,447.20/325,596,670.80 = 130,971,005.20/x
  3. Step 3: Cross multiply
    217,064,447.20x = 325,596,670.80 × 130,971,005.20
  4. Step 4: Simplify right side
    217,064,447.20x = 42,643,723,264,449,488
  5. Step 5: Solve for x
    x = 42,643,723,264,449,488/217,064,447.20
  6. Step 6: Final answer
    x = 196,456,507.80

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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.