Home / 147,986,877,959.73-204,222,042,727.17-80,321,482,128.15

Finding the Fourth Proportional to 147,986,877,959.73, 204,222,042,727.17 and 80,321,482,128.15

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Solution

The fourth proportional to 147,986,877,959.73, 204,222,042,727.17 and 80,321,482,128.15 is: 110,843,727,371.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,986,877,959.73 : 204,222,042,727.17 = 80,321,482,128.15 : x
  2. Step 2: Convert to fraction form
    147,986,877,959.73/204,222,042,727.17 = 80,321,482,128.15/x
  3. Step 3: Cross multiply
    147,986,877,959.73x = 204,222,042,727.17 × 80,321,482,128.15
  4. Step 4: Simplify right side
    147,986,877,959.73x = 16,403,417,155,084,671,254,528
  5. Step 5: Solve for x
    x = 16,403,417,155,084,671,254,528/147,986,877,959.73
  6. Step 6: Final answer
    x = 110,843,727,371.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.