Home / 168,894,643.20-253,043,366.40-149,784,345.60

Finding the Fourth Proportional to 168,894,643.20, 253,043,366.40 and 149,784,345.60

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Solution

The fourth proportional to 168,894,643.20, 253,043,366.40 and 149,784,345.60 is: 224,411,706.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,894,643.20 : 253,043,366.40 = 149,784,345.60 : x
  2. Step 2: Convert to fraction form
    168,894,643.20/253,043,366.40 = 149,784,345.60/x
  3. Step 3: Cross multiply
    168,894,643.20x = 253,043,366.40 × 149,784,345.60
  4. Step 4: Simplify right side
    168,894,643.20x = 37,901,935,044,645,024
  5. Step 5: Solve for x
    x = 37,901,935,044,645,024/168,894,643.20
  6. Step 6: Final answer
    x = 224,411,706.18

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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.