Home / 295,258,270.40-442,887,405.60-76,908,190.40

Finding the Fourth Proportional to 295,258,270.40, 442,887,405.60 and 76,908,190.40

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Solution

The fourth proportional to 295,258,270.40, 442,887,405.60 and 76,908,190.40 is: 115,362,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,258,270.40 : 442,887,405.60 = 76,908,190.40 : x
  2. Step 2: Convert to fraction form
    295,258,270.40/442,887,405.60 = 76,908,190.40/x
  3. Step 3: Cross multiply
    295,258,270.40x = 442,887,405.60 × 76,908,190.40
  4. Step 4: Simplify right side
    295,258,270.40x = 34,061,668,915,646,832
  5. Step 5: Solve for x
    x = 34,061,668,915,646,832/295,258,270.40
  6. Step 6: Final answer
    x = 115,362,285.60

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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.