Home / 295,231,505.40-442,847,258.10-76,881,425.40

Finding the Fourth Proportional to 295,231,505.40, 442,847,258.10 and 76,881,425.40

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Solution

The fourth proportional to 295,231,505.40, 442,847,258.10 and 76,881,425.40 is: 115,322,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,231,505.40 : 442,847,258.10 = 76,881,425.40 : x
  2. Step 2: Convert to fraction form
    295,231,505.40/442,847,258.10 = 76,881,425.40/x
  3. Step 3: Cross multiply
    295,231,505.40x = 442,847,258.10 × 76,881,425.40
  4. Step 4: Simplify right side
    295,231,505.40x = 34,046,728,437,209,700
  5. Step 5: Solve for x
    x = 34,046,728,437,209,700/295,231,505.40
  6. Step 6: Final answer
    x = 115,322,138.10

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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.