Home / 202,240,753,151.94-279,090,017,473.86-109,539,301,364.10

Finding the Fourth Proportional to 202,240,753,151.94, 279,090,017,473.86 and 109,539,301,364.10

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Solution

The fourth proportional to 202,240,753,151.94, 279,090,017,473.86 and 109,539,301,364.10 is: 151,163,032,451.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,240,753,151.94 : 279,090,017,473.86 = 109,539,301,364.10 : x
  2. Step 2: Convert to fraction form
    202,240,753,151.94/279,090,017,473.86 = 109,539,301,364.10/x
  3. Step 3: Cross multiply
    202,240,753,151.94x = 279,090,017,473.86 × 109,539,301,364.10
  4. Step 4: Simplify right side
    202,240,753,151.94x = 30,571,325,531,781,085,528,064
  5. Step 5: Solve for x
    x = 30,571,325,531,781,085,528,064/202,240,753,151.94
  6. Step 6: Final answer
    x = 151,163,032,451.79

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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.