Home / 145,638,008.15-218,457,012.23-132,201,080.15

Finding the Fourth Proportional to 145,638,008.15, 218,457,012.23 and 132,201,080.15

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Solution

The fourth proportional to 145,638,008.15, 218,457,012.23 and 132,201,080.15 is: 198,301,620.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,638,008.15 : 218,457,012.23 = 132,201,080.15 : x
  2. Step 2: Convert to fraction form
    145,638,008.15/218,457,012.23 = 132,201,080.15/x
  3. Step 3: Cross multiply
    145,638,008.15x = 218,457,012.23 × 132,201,080.15
  4. Step 4: Simplify right side
    145,638,008.15x = 28,880,252,982,486,756
  5. Step 5: Solve for x
    x = 28,880,252,982,486,756/145,638,008.15
  6. Step 6: Final answer
    x = 198,301,620.23

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Double scale
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Similar ratio
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1.5x scale

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.