Home / 258,308,306.48-356,455,195.40-152,495,805.84

Finding the Fourth Proportional to 258,308,306.48, 356,455,195.40 and 152,495,805.84

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Solution

The fourth proportional to 258,308,306.48, 356,455,195.40 and 152,495,805.84 is: 210,438,150.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,308,306.48 : 356,455,195.40 = 152,495,805.84 : x
  2. Step 2: Convert to fraction form
    258,308,306.48/356,455,195.40 = 152,495,805.84/x
  3. Step 3: Cross multiply
    258,308,306.48x = 356,455,195.40 × 152,495,805.84
  4. Step 4: Simplify right side
    258,308,306.48x = 54,357,922,268,377,656
  5. Step 5: Solve for x
    x = 54,357,922,268,377,656/258,308,306.48
  6. Step 6: Final answer
    x = 210,438,150.48

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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.