Home / 124,485,305.40-186,601,986.90-73,340,998.20

Finding the Fourth Proportional to 124,485,305.40, 186,601,986.90 and 73,340,998.20

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Solution

The fourth proportional to 124,485,305.40, 186,601,986.90 and 73,340,998.20 is: 109,937,280.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,485,305.40 : 186,601,986.90 = 73,340,998.20 : x
  2. Step 2: Convert to fraction form
    124,485,305.40/186,601,986.90 = 73,340,998.20/x
  3. Step 3: Cross multiply
    124,485,305.40x = 186,601,986.90 × 73,340,998.20
  4. Step 4: Simplify right side
    124,485,305.40x = 13,685,575,985,349,324
  5. Step 5: Solve for x
    x = 13,685,575,985,349,324/124,485,305.40
  6. Step 6: Final answer
    x = 109,937,280.88

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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.