Home / 101,393,448.51-139,922,996.22-54,983,690.13

Finding the Fourth Proportional to 101,393,448.51, 139,922,996.22 and 54,983,690.13

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Solution

The fourth proportional to 101,393,448.51, 139,922,996.22 and 54,983,690.13 is: 75,877,512.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,393,448.51 : 139,922,996.22 = 54,983,690.13 : x
  2. Step 2: Convert to fraction form
    101,393,448.51/139,922,996.22 = 54,983,690.13/x
  3. Step 3: Cross multiply
    101,393,448.51x = 139,922,996.22 × 54,983,690.13
  4. Step 4: Simplify right side
    101,393,448.51x = 7,693,482,666,221,642
  5. Step 5: Solve for x
    x = 7,693,482,666,221,642/101,393,448.51
  6. Step 6: Final answer
    x = 75,877,512.59

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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.