Home / 213,205,024.32-294,223,032-115,419,880.32

Finding the Fourth Proportional to 213,205,024.32, 294,223,032 and 115,419,880.32

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Solution

The fourth proportional to 213,205,024.32, 294,223,032 and 115,419,880.32 is: 159,279,488.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,205,024.32 : 294,223,032 = 115,419,880.32 : x
  2. Step 2: Convert to fraction form
    213,205,024.32/294,223,032 = 115,419,880.32/x
  3. Step 3: Cross multiply
    213,205,024.32x = 294,223,032 × 115,419,880.32
  4. Step 4: Simplify right side
    213,205,024.32x = 33,959,187,140,827,528
  5. Step 5: Solve for x
    x = 33,959,187,140,827,528/213,205,024.32
  6. Step 6: Final answer
    x = 159,279,488.13

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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.