Home / 219,390,443.13-328,989,993.44-82,980,167.25

Finding the Fourth Proportional to 219,390,443.13, 328,989,993.44 and 82,980,167.25

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Solution

The fourth proportional to 219,390,443.13, 328,989,993.44 and 82,980,167.25 is: 124,434,065.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,390,443.13 : 328,989,993.44 = 82,980,167.25 : x
  2. Step 2: Convert to fraction form
    219,390,443.13/328,989,993.44 = 82,980,167.25/x
  3. Step 3: Cross multiply
    219,390,443.13x = 328,989,993.44 × 82,980,167.25
  4. Step 4: Simplify right side
    219,390,443.13x = 27,299,644,678,812,704
  5. Step 5: Solve for x
    x = 27,299,644,678,812,704/219,390,443.13
  6. Step 6: Final answer
    x = 124,434,065.08

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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.