Home / 123,723,219.80-185,584,829.70-121,810,032.20

Finding the Fourth Proportional to 123,723,219.80, 185,584,829.70 and 121,810,032.20

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Solution

The fourth proportional to 123,723,219.80, 185,584,829.70 and 121,810,032.20 is: 182,715,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,723,219.80 : 185,584,829.70 = 121,810,032.20 : x
  2. Step 2: Convert to fraction form
    123,723,219.80/185,584,829.70 = 121,810,032.20/x
  3. Step 3: Cross multiply
    123,723,219.80x = 185,584,829.70 × 121,810,032.20
  4. Step 4: Simplify right side
    123,723,219.80x = 22,606,094,081,588,516
  5. Step 5: Solve for x
    x = 22,606,094,081,588,516/123,723,219.80
  6. Step 6: Final answer
    x = 182,715,048.30

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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.