Home / 71,017,407.90-106,556,800.50-38,189,607.48

Finding the Fourth Proportional to 71,017,407.90, 106,556,800.50 and 38,189,607.48

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Solution

The fourth proportional to 71,017,407.90, 106,556,800.50 and 38,189,607.48 is: 57,300,914.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,017,407.90 : 106,556,800.50 = 38,189,607.48 : x
  2. Step 2: Convert to fraction form
    71,017,407.90/106,556,800.50 = 38,189,607.48/x
  3. Step 3: Cross multiply
    71,017,407.90x = 106,556,800.50 × 38,189,607.48
  4. Step 4: Simplify right side
    71,017,407.90x = 4,069,362,385,419,667.50
  5. Step 5: Solve for x
    x = 4,069,362,385,419,667.50/71,017,407.90
  6. Step 6: Final answer
    x = 57,300,914.04

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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.