Home / 149,442,345.39-224,228,259.78-80,274,448.35

Finding the Fourth Proportional to 149,442,345.39, 224,228,259.78 and 80,274,448.35

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Solution

The fourth proportional to 149,442,345.39, 224,228,259.78 and 80,274,448.35 is: 120,446,449.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,442,345.39 : 224,228,259.78 = 80,274,448.35 : x
  2. Step 2: Convert to fraction form
    149,442,345.39/224,228,259.78 = 80,274,448.35/x
  3. Step 3: Cross multiply
    149,442,345.39x = 224,228,259.78 × 80,274,448.35
  4. Step 4: Simplify right side
    149,442,345.39x = 17,999,799,858,018,962
  5. Step 5: Solve for x
    x = 17,999,799,858,018,962/149,442,345.39
  6. Step 6: Final answer
    x = 120,446,449.17

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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.