Home / 301,839,408.81-416,540,132.64-169,679,248.29

Finding the Fourth Proportional to 301,839,408.81, 416,540,132.64 and 169,679,248.29

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Solution

The fourth proportional to 301,839,408.81, 416,540,132.64 and 169,679,248.29 is: 234,158,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,839,408.81 : 416,540,132.64 = 169,679,248.29 : x
  2. Step 2: Convert to fraction form
    301,839,408.81/416,540,132.64 = 169,679,248.29/x
  3. Step 3: Cross multiply
    301,839,408.81x = 416,540,132.64 × 169,679,248.29
  4. Step 4: Simplify right side
    301,839,408.81x = 70,678,216,588,972,088
  5. Step 5: Solve for x
    x = 70,678,216,588,972,088/301,839,408.81
  6. Step 6: Final answer
    x = 234,158,345.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.