Home / 222,316,108.74-306,805,985.69-123,196,625.01

Finding the Fourth Proportional to 222,316,108.74, 306,805,985.69 and 123,196,625.01

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Solution

The fourth proportional to 222,316,108.74, 306,805,985.69 and 123,196,625.01 is: 170,016,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,316,108.74 : 306,805,985.69 = 123,196,625.01 : x
  2. Step 2: Convert to fraction form
    222,316,108.74/306,805,985.69 = 123,196,625.01/x
  3. Step 3: Cross multiply
    222,316,108.74x = 306,805,985.69 × 123,196,625.01
  4. Step 4: Simplify right side
    222,316,108.74x = 37,797,461,969,258,376
  5. Step 5: Solve for x
    x = 37,797,461,969,258,376/222,316,108.74
  6. Step 6: Final answer
    x = 170,016,748.60

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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.