Home / 282,906,576.64-390,419,755.86-157,465,741.36

Finding the Fourth Proportional to 282,906,576.64, 390,419,755.86 and 157,465,741.36

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Solution

The fourth proportional to 282,906,576.64, 390,419,755.86 and 157,465,741.36 is: 217,307,554.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,906,576.64 : 390,419,755.86 = 157,465,741.36 : x
  2. Step 2: Convert to fraction form
    282,906,576.64/390,419,755.86 = 157,465,741.36/x
  3. Step 3: Cross multiply
    282,906,576.64x = 390,419,755.86 × 157,465,741.36
  4. Step 4: Simplify right side
    282,906,576.64x = 61,477,736,298,085,112
  5. Step 5: Solve for x
    x = 61,477,736,298,085,112/282,906,576.64
  6. Step 6: Final answer
    x = 217,307,554.42

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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.