Home / 204,367,913.60-306,551,870.40-131,808,502.40

Finding the Fourth Proportional to 204,367,913.60, 306,551,870.40 and 131,808,502.40

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Solution

The fourth proportional to 204,367,913.60, 306,551,870.40 and 131,808,502.40 is: 197,712,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,367,913.60 : 306,551,870.40 = 131,808,502.40 : x
  2. Step 2: Convert to fraction form
    204,367,913.60/306,551,870.40 = 131,808,502.40/x
  3. Step 3: Cross multiply
    204,367,913.60x = 306,551,870.40 × 131,808,502.40
  4. Step 4: Simplify right side
    204,367,913.60x = 40,406,142,945,342,888
  5. Step 5: Solve for x
    x = 40,406,142,945,342,888/204,367,913.60
  6. Step 6: Final answer
    x = 197,712,753.60

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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.