Home / 204,658,800.60-306,988,200.90-112,506,931.20

Finding the Fourth Proportional to 204,658,800.60, 306,988,200.90 and 112,506,931.20

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Solution

The fourth proportional to 204,658,800.60, 306,988,200.90 and 112,506,931.20 is: 168,760,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,658,800.60 : 306,988,200.90 = 112,506,931.20 : x
  2. Step 2: Convert to fraction form
    204,658,800.60/306,988,200.90 = 112,506,931.20/x
  3. Step 3: Cross multiply
    204,658,800.60x = 306,988,200.90 × 112,506,931.20
  4. Step 4: Simplify right side
    204,658,800.60x = 34,538,300,397,868,076
  5. Step 5: Solve for x
    x = 34,538,300,397,868,076/204,658,800.60
  6. Step 6: Final answer
    x = 168,760,396.80

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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.