Home / 193,618,853.80-290,428,280.70-149,780,876.20

Finding the Fourth Proportional to 193,618,853.80, 290,428,280.70 and 149,780,876.20

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Solution

The fourth proportional to 193,618,853.80, 290,428,280.70 and 149,780,876.20 is: 224,671,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,618,853.80 : 290,428,280.70 = 149,780,876.20 : x
  2. Step 2: Convert to fraction form
    193,618,853.80/290,428,280.70 = 149,780,876.20/x
  3. Step 3: Cross multiply
    193,618,853.80x = 290,428,280.70 × 149,780,876.20
  4. Step 4: Simplify right side
    193,618,853.80x = 43,500,602,356,505,544
  5. Step 5: Solve for x
    x = 43,500,602,356,505,544/193,618,853.80
  6. Step 6: Final answer
    x = 224,671,314.30

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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.