Home / 205,615,212.90-308,926,704.15-154,596,876.90

Finding the Fourth Proportional to 205,615,212.90, 308,926,704.15 and 154,596,876.90

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Solution

The fourth proportional to 205,615,212.90, 308,926,704.15 and 154,596,876.90 is: 232,274,173.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,615,212.90 : 308,926,704.15 = 154,596,876.90 : x
  2. Step 2: Convert to fraction form
    205,615,212.90/308,926,704.15 = 154,596,876.90/x
  3. Step 3: Cross multiply
    205,615,212.90x = 308,926,704.15 × 154,596,876.90
  4. Step 4: Simplify right side
    205,615,212.90x = 47,759,103,652,600,264
  5. Step 5: Solve for x
    x = 47,759,103,652,600,264/205,615,212.90
  6. Step 6: Final answer
    x = 232,274,173.58

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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.