Home / 201,282,641.70-301,923,962.55-197,881,419.30

Finding the Fourth Proportional to 201,282,641.70, 301,923,962.55 and 197,881,419.30

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Solution

The fourth proportional to 201,282,641.70, 301,923,962.55 and 197,881,419.30 is: 296,822,128.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,282,641.70 : 301,923,962.55 = 197,881,419.30 : x
  2. Step 2: Convert to fraction form
    201,282,641.70/301,923,962.55 = 197,881,419.30/x
  3. Step 3: Cross multiply
    201,282,641.70x = 301,923,962.55 × 197,881,419.30
  4. Step 4: Simplify right side
    201,282,641.70x = 59,745,142,230,074,056
  5. Step 5: Solve for x
    x = 59,745,142,230,074,056/201,282,641.70
  6. Step 6: Final answer
    x = 296,822,128.95

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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.