Home / 202,890,071.12-279,988,840.76-110,070,578.96

Finding the Fourth Proportional to 202,890,071.12, 279,988,840.76 and 110,070,578.96

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Solution

The fourth proportional to 202,890,071.12, 279,988,840.76 and 110,070,578.96 is: 151,897,693.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,890,071.12 : 279,988,840.76 = 110,070,578.96 : x
  2. Step 2: Convert to fraction form
    202,890,071.12/279,988,840.76 = 110,070,578.96/x
  3. Step 3: Cross multiply
    202,890,071.12x = 279,988,840.76 × 110,070,578.96
  4. Step 4: Simplify right side
    202,890,071.12x = 30,818,533,804,792,444
  5. Step 5: Solve for x
    x = 30,818,533,804,792,444/202,890,071.12
  6. Step 6: Final answer
    x = 151,897,693.34

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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.