Home / 212,867,094.25-293,756,988.59-115,081,950.25

Finding the Fourth Proportional to 212,867,094.25, 293,756,988.59 and 115,081,950.25

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Solution

The fourth proportional to 212,867,094.25, 293,756,988.59 and 115,081,950.25 is: 158,813,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,867,094.25 : 293,756,988.59 = 115,081,950.25 : x
  2. Step 2: Convert to fraction form
    212,867,094.25/293,756,988.59 = 115,081,950.25/x
  3. Step 3: Cross multiply
    212,867,094.25x = 293,756,988.59 × 115,081,950.25
  4. Step 4: Simplify right side
    212,867,094.25x = 33,806,127,146,504,196
  5. Step 5: Solve for x
    x = 33,806,127,146,504,196/212,867,094.25
  6. Step 6: Final answer
    x = 158,813,306.80

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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.