Home / 125,103,218.33-172,643,845.64-71,464,983.10

Finding the Fourth Proportional to 125,103,218.33, 172,643,845.64 and 71,464,983.10

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Solution

The fourth proportional to 125,103,218.33, 172,643,845.64 and 71,464,983.10 is: 98,622,478.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,103,218.33 : 172,643,845.64 = 71,464,983.10 : x
  2. Step 2: Convert to fraction form
    125,103,218.33/172,643,845.64 = 71,464,983.10/x
  3. Step 3: Cross multiply
    125,103,218.33x = 172,643,845.64 × 71,464,983.10
  4. Step 4: Simplify right side
    125,103,218.33x = 12,337,989,512,009,526
  5. Step 5: Solve for x
    x = 12,337,989,512,009,526/125,103,218.33
  6. Step 6: Final answer
    x = 98,622,478.92

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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.