Home / 85,525,872.40-118,042,850.28-50,737,872.40

Finding the Fourth Proportional to 85,525,872.40, 118,042,850.28 and 50,737,872.40

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Solution

The fourth proportional to 85,525,872.40, 118,042,850.28 and 50,737,872.40 is: 70,028,435.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,525,872.40 : 118,042,850.28 = 50,737,872.40 : x
  2. Step 2: Convert to fraction form
    85,525,872.40/118,042,850.28 = 50,737,872.40/x
  3. Step 3: Cross multiply
    85,525,872.40x = 118,042,850.28 × 50,737,872.40
  4. Step 4: Simplify right side
    85,525,872.40x = 5,989,243,075,238,944
  5. Step 5: Solve for x
    x = 5,989,243,075,238,944/85,525,872.40
  6. Step 6: Final answer
    x = 70,028,435.92

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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.