Home / 52,186,179.81-72,014,955.15-28,982,801.45

Finding the Fourth Proportional to 52,186,179.81, 72,014,955.15 and 28,982,801.45

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Solution

The fourth proportional to 52,186,179.81, 72,014,955.15 and 28,982,801.45 is: 39,995,170.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,186,179.81 : 72,014,955.15 = 28,982,801.45 : x
  2. Step 2: Convert to fraction form
    52,186,179.81/72,014,955.15 = 28,982,801.45/x
  3. Step 3: Cross multiply
    52,186,179.81x = 72,014,955.15 × 28,982,801.45
  4. Step 4: Simplify right side
    52,186,179.81x = 2,087,195,146,831,828
  5. Step 5: Solve for x
    x = 2,087,195,146,831,828/52,186,179.81
  6. Step 6: Final answer
    x = 39,995,170.26

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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.