Home / 170,313,506.91-235,032,730.38-91,997,058.78

Finding the Fourth Proportional to 170,313,506.91, 235,032,730.38 and 91,997,058.78

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Solution

The fourth proportional to 170,313,506.91, 235,032,730.38 and 91,997,058.78 is: 126,955,990.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,313,506.91 : 235,032,730.38 = 91,997,058.78 : x
  2. Step 2: Convert to fraction form
    170,313,506.91/235,032,730.38 = 91,997,058.78/x
  3. Step 3: Cross multiply
    170,313,506.91x = 235,032,730.38 × 91,997,058.78
  4. Step 4: Simplify right side
    170,313,506.91x = 21,622,319,911,992,752
  5. Step 5: Solve for x
    x = 21,622,319,911,992,752/170,313,506.91
  6. Step 6: Final answer
    x = 126,955,990.19

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1.5x scale

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.