Home / 233,345,072.74-322,029,114.40-128,920,902.07

Finding the Fourth Proportional to 233,345,072.74, 322,029,114.40 and 128,920,902.07

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Solution

The fourth proportional to 233,345,072.74, 322,029,114.40 and 128,920,902.07 is: 177,917,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,345,072.74 : 322,029,114.40 = 128,920,902.07 : x
  2. Step 2: Convert to fraction form
    233,345,072.74/322,029,114.40 = 128,920,902.07/x
  3. Step 3: Cross multiply
    233,345,072.74x = 322,029,114.40 × 128,920,902.07
  4. Step 4: Simplify right side
    233,345,072.74x = 41,516,283,921,251,224
  5. Step 5: Solve for x
    x = 41,516,283,921,251,224/233,345,072.74
  6. Step 6: Final answer
    x = 177,917,979.73

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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.