Home / 218,901,746.93-302,071,118.78-124,802,736.75

Finding the Fourth Proportional to 218,901,746.93, 302,071,118.78 and 124,802,736.75

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Solution

The fourth proportional to 218,901,746.93, 302,071,118.78 and 124,802,736.75 is: 172,220,198.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,901,746.93 : 302,071,118.78 = 124,802,736.75 : x
  2. Step 2: Convert to fraction form
    218,901,746.93/302,071,118.78 = 124,802,736.75/x
  3. Step 3: Cross multiply
    218,901,746.93x = 302,071,118.78 × 124,802,736.75
  4. Step 4: Simplify right side
    218,901,746.93x = 37,699,302,316,254,304
  5. Step 5: Solve for x
    x = 37,699,302,316,254,304/218,901,746.93
  6. Step 6: Final answer
    x = 172,220,198.54

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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.