Home / 135,791,775,478.37-187,384,206,730.99-74,820,730,691.36

Finding the Fourth Proportional to 135,791,775,478.37, 187,384,206,730.99 and 74,820,730,691.36

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Solution

The fourth proportional to 135,791,775,478.37, 187,384,206,730.99 and 74,820,730,691.36 is: 103,247,956,058.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,791,775,478.37 : 187,384,206,730.99 = 74,820,730,691.36 : x
  2. Step 2: Convert to fraction form
    135,791,775,478.37/187,384,206,730.99 = 74,820,730,691.36/x
  3. Step 3: Cross multiply
    135,791,775,478.37x = 187,384,206,730.99 × 74,820,730,691.36
  4. Step 4: Simplify right side
    135,791,775,478.37x = 14,020,223,267,633,530,667,008
  5. Step 5: Solve for x
    x = 14,020,223,267,633,530,667,008/135,791,775,478.37
  6. Step 6: Final answer
    x = 103,247,956,058.04

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1.5x scale

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.