Home / 442,613,145.60-663,919,718.40-135,865,400.40

Finding the Fourth Proportional to 442,613,145.60, 663,919,718.40 and 135,865,400.40

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Solution

The fourth proportional to 442,613,145.60, 663,919,718.40 and 135,865,400.40 is: 203,798,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,613,145.60 : 663,919,718.40 = 135,865,400.40 : x
  2. Step 2: Convert to fraction form
    442,613,145.60/663,919,718.40 = 135,865,400.40/x
  3. Step 3: Cross multiply
    442,613,145.60x = 663,919,718.40 × 135,865,400.40
  4. Step 4: Simplify right side
    442,613,145.60x = 90,203,718,373,871,248
  5. Step 5: Solve for x
    x = 90,203,718,373,871,248/442,613,145.60
  6. Step 6: Final answer
    x = 203,798,100.60

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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.