Home / 145,542,701.60-218,314,052.40-133,638,423.20

Finding the Fourth Proportional to 145,542,701.60, 218,314,052.40 and 133,638,423.20

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Solution

The fourth proportional to 145,542,701.60, 218,314,052.40 and 133,638,423.20 is: 200,457,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,542,701.60 : 218,314,052.40 = 133,638,423.20 : x
  2. Step 2: Convert to fraction form
    145,542,701.60/218,314,052.40 = 133,638,423.20/x
  3. Step 3: Cross multiply
    145,542,701.60x = 218,314,052.40 × 133,638,423.20
  4. Step 4: Simplify right side
    145,542,701.60x = 29,175,145,725,138,176
  5. Step 5: Solve for x
    x = 29,175,145,725,138,176/145,542,701.60
  6. Step 6: Final answer
    x = 200,457,634.80

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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.