Home / 145,165,810.40-217,748,715.60-134,080,344.80

Finding the Fourth Proportional to 145,165,810.40, 217,748,715.60 and 134,080,344.80

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Solution

The fourth proportional to 145,165,810.40, 217,748,715.60 and 134,080,344.80 is: 201,120,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,165,810.40 : 217,748,715.60 = 134,080,344.80 : x
  2. Step 2: Convert to fraction form
    145,165,810.40/217,748,715.60 = 134,080,344.80/x
  3. Step 3: Cross multiply
    145,165,810.40x = 217,748,715.60 × 134,080,344.80
  4. Step 4: Simplify right side
    145,165,810.40x = 29,195,822,867,405,136
  5. Step 5: Solve for x
    x = 29,195,822,867,405,136/145,165,810.40
  6. Step 6: Final answer
    x = 201,120,517.20

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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.