Home / 86,920,128,045.45-130,380,192,068.17-31,085,661,127.05

Finding the Fourth Proportional to 86,920,128,045.45, 130,380,192,068.17 and 31,085,661,127.05

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Solution

The fourth proportional to 86,920,128,045.45, 130,380,192,068.17 and 31,085,661,127.05 is: 46,628,491,690.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,128,045.45 : 130,380,192,068.17 = 31,085,661,127.05 : x
  2. Step 2: Convert to fraction form
    86,920,128,045.45/130,380,192,068.17 = 31,085,661,127.05/x
  3. Step 3: Cross multiply
    86,920,128,045.45x = 130,380,192,068.17 × 31,085,661,127.05
  4. Step 4: Simplify right side
    86,920,128,045.45x = 4,052,954,468,310,824,517,632
  5. Step 5: Solve for x
    x = 4,052,954,468,310,824,517,632/86,920,128,045.45
  6. Step 6: Final answer
    x = 46,628,491,690.57

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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.