Home / 160,439,540.40-221,402,156.76-90,824,356.08

Finding the Fourth Proportional to 160,439,540.40, 221,402,156.76 and 90,824,356.08

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Solution

The fourth proportional to 160,439,540.40, 221,402,156.76 and 90,824,356.08 is: 125,335,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,439,540.40 : 221,402,156.76 = 90,824,356.08 : x
  2. Step 2: Convert to fraction form
    160,439,540.40/221,402,156.76 = 90,824,356.08/x
  3. Step 3: Cross multiply
    160,439,540.40x = 221,402,156.76 × 90,824,356.08
  4. Step 4: Simplify right side
    160,439,540.40x = 20,108,708,322,450,216
  5. Step 5: Solve for x
    x = 20,108,708,322,450,216/160,439,540.40
  6. Step 6: Final answer
    x = 125,335,115.47

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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.