Home / 279,936,767.60-419,905,151.40-136,609,535.60

Finding the Fourth Proportional to 279,936,767.60, 419,905,151.40 and 136,609,535.60

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Solution

The fourth proportional to 279,936,767.60, 419,905,151.40 and 136,609,535.60 is: 204,914,303.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,767.60 : 419,905,151.40 = 136,609,535.60 : x
  2. Step 2: Convert to fraction form
    279,936,767.60/419,905,151.40 = 136,609,535.60/x
  3. Step 3: Cross multiply
    279,936,767.60x = 419,905,151.40 × 136,609,535.60
  4. Step 4: Simplify right side
    279,936,767.60x = 57,363,047,728,801,688
  5. Step 5: Solve for x
    x = 57,363,047,728,801,688/279,936,767.60
  6. Step 6: Final answer
    x = 204,914,303.40

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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.