Home / 85,525,871.40-118,042,848.90-50,737,871.40

Finding the Fourth Proportional to 85,525,871.40, 118,042,848.90 and 50,737,871.40

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Solution

The fourth proportional to 85,525,871.40, 118,042,848.90 and 50,737,871.40 is: 70,028,434.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,525,871.40 : 118,042,848.90 = 50,737,871.40 : x
  2. Step 2: Convert to fraction form
    85,525,871.40/118,042,848.90 = 50,737,871.40/x
  3. Step 3: Cross multiply
    85,525,871.40x = 118,042,848.90 × 50,737,871.40
  4. Step 4: Simplify right side
    85,525,871.40x = 5,989,242,887,177,832
  5. Step 5: Solve for x
    x = 5,989,242,887,177,832/85,525,871.40
  6. Step 6: Final answer
    x = 70,028,434.54

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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.