Home / 78,718,608,081.45-118,077,912,122.17-78,718,608,081.45

Finding the Fourth Proportional to 78,718,608,081.45, 118,077,912,122.17 and 78,718,608,081.45

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Solution

The fourth proportional to 78,718,608,081.45, 118,077,912,122.17 and 78,718,608,081.45 is: 118,077,912,122.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,718,608,081.45 : 118,077,912,122.17 = 78,718,608,081.45 : x
  2. Step 2: Convert to fraction form
    78,718,608,081.45/118,077,912,122.17 = 78,718,608,081.45/x
  3. Step 3: Cross multiply
    78,718,608,081.45x = 118,077,912,122.17 × 78,718,608,081.45
  4. Step 4: Simplify right side
    78,718,608,081.45x = 9,294,928,887,420,993,667,072
  5. Step 5: Solve for x
    x = 9,294,928,887,420,993,667,072/78,718,608,081.45
  6. Step 6: Final answer
    x = 118,077,912,122.17

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1.5x scale

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.