Home / 282,845,682.54-390,361,018.50-171,333,253.62

Finding the Fourth Proportional to 282,845,682.54, 390,361,018.50 and 171,333,253.62

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Solution

The fourth proportional to 282,845,682.54, 390,361,018.50 and 171,333,253.62 is: 236,460,471.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,845,682.54 : 390,361,018.50 = 171,333,253.62 : x
  2. Step 2: Convert to fraction form
    282,845,682.54/390,361,018.50 = 171,333,253.62/x
  3. Step 3: Cross multiply
    282,845,682.54x = 390,361,018.50 × 171,333,253.62
  4. Step 4: Simplify right side
    282,845,682.54x = 66,881,823,386,022,016
  5. Step 5: Solve for x
    x = 66,881,823,386,022,016/282,845,682.54
  6. Step 6: Final answer
    x = 236,460,471.26

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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.