Home / 126,048,642.40-188,860,387.20-104,365,849.60

Finding the Fourth Proportional to 126,048,642.40, 188,860,387.20 and 104,365,849.60

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Solution

The fourth proportional to 126,048,642.40, 188,860,387.20 and 104,365,849.60 is: 156,372,765.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,048,642.40 : 188,860,387.20 = 104,365,849.60 : x
  2. Step 2: Convert to fraction form
    126,048,642.40/188,860,387.20 = 104,365,849.60/x
  3. Step 3: Cross multiply
    126,048,642.40x = 188,860,387.20 × 104,365,849.60
  4. Step 4: Simplify right side
    126,048,642.40x = 19,710,574,765,912,964
  5. Step 5: Solve for x
    x = 19,710,574,765,912,964/126,048,642.40
  6. Step 6: Final answer
    x = 156,372,765.23

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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.