Home / 195,718,437.60-293,577,656.40-80,643,746.40

Finding the Fourth Proportional to 195,718,437.60, 293,577,656.40 and 80,643,746.40

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Solution

The fourth proportional to 195,718,437.60, 293,577,656.40 and 80,643,746.40 is: 120,965,619.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,718,437.60 : 293,577,656.40 = 80,643,746.40 : x
  2. Step 2: Convert to fraction form
    195,718,437.60/293,577,656.40 = 80,643,746.40/x
  3. Step 3: Cross multiply
    195,718,437.60x = 293,577,656.40 × 80,643,746.40
  4. Step 4: Simplify right side
    195,718,437.60x = 23,675,202,071,427,936
  5. Step 5: Solve for x
    x = 23,675,202,071,427,936/195,718,437.60
  6. Step 6: Final answer
    x = 120,965,619.60

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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.