Home / 107,553,767.40-161,330,651.10-39,403,348.20

Finding the Fourth Proportional to 107,553,767.40, 161,330,651.10 and 39,403,348.20

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Solution

The fourth proportional to 107,553,767.40, 161,330,651.10 and 39,403,348.20 is: 59,105,022.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,553,767.40 : 161,330,651.10 = 39,403,348.20 : x
  2. Step 2: Convert to fraction form
    107,553,767.40/161,330,651.10 = 39,403,348.20/x
  3. Step 3: Cross multiply
    107,553,767.40x = 161,330,651.10 × 39,403,348.20
  4. Step 4: Simplify right side
    107,553,767.40x = 6,356,967,820,626,013
  5. Step 5: Solve for x
    x = 6,356,967,820,626,013/107,553,767.40
  6. Step 6: Final answer
    x = 59,105,022.30

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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.