Home / 57,114,963.84-85,706,485.20-20,726,193.36

Finding the Fourth Proportional to 57,114,963.84, 85,706,485.20 and 20,726,193.36

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Solution

The fourth proportional to 57,114,963.84, 85,706,485.20 and 20,726,193.36 is: 31,101,642.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,114,963.84 : 85,706,485.20 = 20,726,193.36 : x
  2. Step 2: Convert to fraction form
    57,114,963.84/85,706,485.20 = 20,726,193.36/x
  3. Step 3: Cross multiply
    57,114,963.84x = 85,706,485.20 × 20,726,193.36
  4. Step 4: Simplify right side
    57,114,963.84x = 1,776,369,184,461,178.25
  5. Step 5: Solve for x
    x = 1,776,369,184,461,178.25/57,114,963.84
  6. Step 6: Final answer
    x = 31,101,642.46

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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.