Home / 90,387,006,254.51-124,734,088,991.27-49,741,917,731.02

Finding the Fourth Proportional to 90,387,006,254.51, 124,734,088,991.27 and 49,741,917,731.02

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Solution

The fourth proportional to 90,387,006,254.51, 124,734,088,991.27 and 49,741,917,731.02 is: 68,643,857,673.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,387,006,254.51 : 124,734,088,991.27 = 49,741,917,731.02 : x
  2. Step 2: Convert to fraction form
    90,387,006,254.51/124,734,088,991.27 = 49,741,917,731.02/x
  3. Step 3: Cross multiply
    90,387,006,254.51x = 124,734,088,991.27 × 49,741,917,731.02
  4. Step 4: Simplify right side
    90,387,006,254.51x = 6,204,512,792,857,479,741,440
  5. Step 5: Solve for x
    x = 6,204,512,792,857,479,741,440/90,387,006,254.51
  6. Step 6: Final answer
    x = 68,643,857,673.38

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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.