Home / 145,542,641.60-218,313,962.40-133,638,363.20

Finding the Fourth Proportional to 145,542,641.60, 218,313,962.40 and 133,638,363.20

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Solution

The fourth proportional to 145,542,641.60, 218,313,962.40 and 133,638,363.20 is: 200,457,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,542,641.60 : 218,313,962.40 = 133,638,363.20 : x
  2. Step 2: Convert to fraction form
    145,542,641.60/218,313,962.40 = 133,638,363.20/x
  3. Step 3: Cross multiply
    145,542,641.60x = 218,313,962.40 × 133,638,363.20
  4. Step 4: Simplify right side
    145,542,641.60x = 29,175,120,598,842,344
  5. Step 5: Solve for x
    x = 29,175,120,598,842,344/145,542,641.60
  6. Step 6: Final answer
    x = 200,457,544.80

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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.