Home / 193,617,816.80-290,426,725.20-149,779,839.20

Finding the Fourth Proportional to 193,617,816.80, 290,426,725.20 and 149,779,839.20

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Solution

The fourth proportional to 193,617,816.80, 290,426,725.20 and 149,779,839.20 is: 224,669,758.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,617,816.80 : 290,426,725.20 = 149,779,839.20 : x
  2. Step 2: Convert to fraction form
    193,617,816.80/290,426,725.20 = 149,779,839.20/x
  3. Step 3: Cross multiply
    193,617,816.80x = 290,426,725.20 × 149,779,839.20
  4. Step 4: Simplify right side
    193,617,816.80x = 43,500,068,199,838,584
  5. Step 5: Solve for x
    x = 43,500,068,199,838,584/193,617,816.80
  6. Step 6: Final answer
    x = 224,669,758.80

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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.