Home / 295,231,778.40-442,847,667.60-76,881,698.40

Finding the Fourth Proportional to 295,231,778.40, 442,847,667.60 and 76,881,698.40

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Solution

The fourth proportional to 295,231,778.40, 442,847,667.60 and 76,881,698.40 is: 115,322,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,231,778.40 : 442,847,667.60 = 76,881,698.40 : x
  2. Step 2: Convert to fraction form
    295,231,778.40/442,847,667.60 = 76,881,698.40/x
  3. Step 3: Cross multiply
    295,231,778.40x = 442,847,667.60 × 76,881,698.40
  4. Step 4: Simplify right side
    295,231,778.40x = 34,046,880,817,566,656
  5. Step 5: Solve for x
    x = 34,046,880,817,566,656/295,231,778.40
  6. Step 6: Final answer
    x = 115,322,547.60

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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.