Home / 135,513,748.40-202,934,699.40-108,639,892.40

Finding the Fourth Proportional to 135,513,748.40, 202,934,699.40 and 108,639,892.40

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Solution

The fourth proportional to 135,513,748.40, 202,934,699.40 and 108,639,892.40 is: 162,690,532.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,513,748.40 : 202,934,699.40 = 108,639,892.40 : x
  2. Step 2: Convert to fraction form
    135,513,748.40/202,934,699.40 = 108,639,892.40/x
  3. Step 3: Cross multiply
    135,513,748.40x = 202,934,699.40 × 108,639,892.40
  4. Step 4: Simplify right side
    135,513,748.40x = 22,046,803,907,042,348
  5. Step 5: Solve for x
    x = 22,046,803,907,042,348/135,513,748.40
  6. Step 6: Final answer
    x = 162,690,532.64

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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.