Home / 159,994,304.12-220,791,111.18-90,402,214.52

Finding the Fourth Proportional to 159,994,304.12, 220,791,111.18 and 90,402,214.52

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Solution

The fourth proportional to 159,994,304.12, 220,791,111.18 and 90,402,214.52 is: 124,754,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,994,304.12 : 220,791,111.18 = 90,402,214.52 : x
  2. Step 2: Convert to fraction form
    159,994,304.12/220,791,111.18 = 90,402,214.52/x
  3. Step 3: Cross multiply
    159,994,304.12x = 220,791,111.18 × 90,402,214.52
  4. Step 4: Simplify right side
    159,994,304.12x = 19,960,005,397,003,532
  5. Step 5: Solve for x
    x = 19,960,005,397,003,532/159,994,304.12
  6. Step 6: Final answer
    x = 124,754,474.90

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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.