Home / 195,718,342.60-293,577,513.90-80,643,651.40

Finding the Fourth Proportional to 195,718,342.60, 293,577,513.90 and 80,643,651.40

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Solution

The fourth proportional to 195,718,342.60, 293,577,513.90 and 80,643,651.40 is: 120,965,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,718,342.60 : 293,577,513.90 = 80,643,651.40 : x
  2. Step 2: Convert to fraction form
    195,718,342.60/293,577,513.90 = 80,643,651.40/x
  3. Step 3: Cross multiply
    195,718,342.60x = 293,577,513.90 × 80,643,651.40
  4. Step 4: Simplify right side
    195,718,342.60x = 23,675,162,689,830,256
  5. Step 5: Solve for x
    x = 23,675,162,689,830,256/195,718,342.60
  6. Step 6: Final answer
    x = 120,965,477.10

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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.