Home / 123,562,078.08-185,354,009.19-45,839,882.40

Finding the Fourth Proportional to 123,562,078.08, 185,354,009.19 and 45,839,882.40

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Solution

The fourth proportional to 123,562,078.08, 185,354,009.19 and 45,839,882.40 is: 68,763,864.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,562,078.08 : 185,354,009.19 = 45,839,882.40 : x
  2. Step 2: Convert to fraction form
    123,562,078.08/185,354,009.19 = 45,839,882.40/x
  3. Step 3: Cross multiply
    123,562,078.08x = 185,354,009.19 × 45,839,882.40
  4. Step 4: Simplify right side
    123,562,078.08x = 8,496,605,983,638,119
  5. Step 5: Solve for x
    x = 8,496,605,983,638,119/123,562,078.08
  6. Step 6: Final answer
    x = 68,763,864.41

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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.