Home / 158,852,669.27-219,153,646.37-91,859,248.40

Finding the Fourth Proportional to 158,852,669.27, 219,153,646.37 and 91,859,248.40

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Solution

The fourth proportional to 158,852,669.27, 219,153,646.37 and 91,859,248.40 is: 126,729,310.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,852,669.27 : 219,153,646.37 = 91,859,248.40 : x
  2. Step 2: Convert to fraction form
    158,852,669.27/219,153,646.37 = 91,859,248.40/x
  3. Step 3: Cross multiply
    158,852,669.27x = 219,153,646.37 × 91,859,248.40
  4. Step 4: Simplify right side
    158,852,669.27x = 20,131,289,238,801,468
  5. Step 5: Solve for x
    x = 20,131,289,238,801,468/158,852,669.27
  6. Step 6: Final answer
    x = 126,729,310.45

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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.