Home / 135,791,775,482.43-187,384,206,736.59-74,820,730,695.42

Finding the Fourth Proportional to 135,791,775,482.43, 187,384,206,736.59 and 74,820,730,695.42

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Solution

The fourth proportional to 135,791,775,482.43, 187,384,206,736.59 and 74,820,730,695.42 is: 103,247,956,063.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,791,775,482.43 : 187,384,206,736.59 = 74,820,730,695.42 : x
  2. Step 2: Convert to fraction form
    135,791,775,482.43/187,384,206,736.59 = 74,820,730,695.42/x
  3. Step 3: Cross multiply
    135,791,775,482.43x = 187,384,206,736.59 × 74,820,730,695.42
  4. Step 4: Simplify right side
    135,791,775,482.43x = 14,020,223,268,813,306,593,280
  5. Step 5: Solve for x
    x = 14,020,223,268,813,306,593,280/135,791,775,482.43
  6. Step 6: Final answer
    x = 103,247,956,063.64

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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.