Home / 107,836,972.20-161,755,458.30-67,022,303.40

Finding the Fourth Proportional to 107,836,972.20, 161,755,458.30 and 67,022,303.40

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Solution

The fourth proportional to 107,836,972.20, 161,755,458.30 and 67,022,303.40 is: 100,533,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,836,972.20 : 161,755,458.30 = 67,022,303.40 : x
  2. Step 2: Convert to fraction form
    107,836,972.20/161,755,458.30 = 67,022,303.40/x
  3. Step 3: Cross multiply
    107,836,972.20x = 161,755,458.30 × 67,022,303.40
  4. Step 4: Simplify right side
    107,836,972.20x = 10,841,223,402,788,648
  5. Step 5: Solve for x
    x = 10,841,223,402,788,648/107,836,972.20
  6. Step 6: Final answer
    x = 100,533,455.10

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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.