Home / 100,509,439.22-138,706,394.16-55,857,293.00

Finding the Fourth Proportional to 100,509,439.22, 138,706,394.16 and 55,857,293.00

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Solution

The fourth proportional to 100,509,439.22, 138,706,394.16 and 55,857,293.00 is: 77,084,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,509,439.22 : 138,706,394.16 = 55,857,293.00 : x
  2. Step 2: Convert to fraction form
    100,509,439.22/138,706,394.16 = 55,857,293.00/x
  3. Step 3: Cross multiply
    100,509,439.22x = 138,706,394.16 × 55,857,293.00
  4. Step 4: Simplify right side
    100,509,439.22x = 7,747,763,698,875,076
  5. Step 5: Solve for x
    x = 7,747,763,698,875,076/100,509,439.22
  6. Step 6: Final answer
    x = 77,084,936.10

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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.