Home / 142,649,911.80-213,825,539.85-59,699,193.30

Finding the Fourth Proportional to 142,649,911.80, 213,825,539.85 and 59,699,193.30

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Solution

The fourth proportional to 142,649,911.80, 213,825,539.85 and 59,699,193.30 is: 89,486,296.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,649,911.80 : 213,825,539.85 = 59,699,193.30 : x
  2. Step 2: Convert to fraction form
    142,649,911.80/213,825,539.85 = 59,699,193.30/x
  3. Step 3: Cross multiply
    142,649,911.80x = 213,825,539.85 × 59,699,193.30
  4. Step 4: Simplify right side
    142,649,911.80x = 12,765,212,235,982,002
  5. Step 5: Solve for x
    x = 12,765,212,235,982,002/142,649,911.80
  6. Step 6: Final answer
    x = 89,486,296.03

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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.