Home / 162,374,377.96-223,859,873.67-128,994,611.14

Finding the Fourth Proportional to 162,374,377.96, 223,859,873.67 and 128,994,611.14

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Solution

The fourth proportional to 162,374,377.96, 223,859,873.67 and 128,994,611.14 is: 177,840,357.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,374,377.96 : 223,859,873.67 = 128,994,611.14 : x
  2. Step 2: Convert to fraction form
    162,374,377.96/223,859,873.67 = 128,994,611.14/x
  3. Step 3: Cross multiply
    162,374,377.96x = 223,859,873.67 × 128,994,611.14
  4. Step 4: Simplify right side
    162,374,377.96x = 28,876,717,353,911,172
  5. Step 5: Solve for x
    x = 28,876,717,353,911,172/162,374,377.96
  6. Step 6: Final answer
    x = 177,840,357.06

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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.