Home / 85,257,643.43-117,655,631.39-46,099,409.78

Finding the Fourth Proportional to 85,257,643.43, 117,655,631.39 and 46,099,409.78

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Solution

The fourth proportional to 85,257,643.43, 117,655,631.39 and 46,099,409.78 is: 63,617,230.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,257,643.43 : 117,655,631.39 = 46,099,409.78 : x
  2. Step 2: Convert to fraction form
    85,257,643.43/117,655,631.39 = 46,099,409.78/x
  3. Step 3: Cross multiply
    85,257,643.43x = 117,655,631.39 × 46,099,409.78
  4. Step 4: Simplify right side
    85,257,643.43x = 5,423,855,164,781,628
  5. Step 5: Solve for x
    x = 5,423,855,164,781,628/85,257,643.43
  6. Step 6: Final answer
    x = 63,617,230.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.