Home / 216,705,339.60-325,058,009.40-124,872,334.80

Finding the Fourth Proportional to 216,705,339.60, 325,058,009.40 and 124,872,334.80

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Solution

The fourth proportional to 216,705,339.60, 325,058,009.40 and 124,872,334.80 is: 187,308,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,705,339.60 : 325,058,009.40 = 124,872,334.80 : x
  2. Step 2: Convert to fraction form
    216,705,339.60/325,058,009.40 = 124,872,334.80/x
  3. Step 3: Cross multiply
    216,705,339.60x = 325,058,009.40 × 124,872,334.80
  4. Step 4: Simplify right side
    216,705,339.60x = 40,590,752,579,218,344
  5. Step 5: Solve for x
    x = 40,590,752,579,218,344/216,705,339.60
  6. Step 6: Final answer
    x = 187,308,502.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.