Home / 229,249,459.20-343,874,188.80-147,620,121.60

Finding the Fourth Proportional to 229,249,459.20, 343,874,188.80 and 147,620,121.60

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Solution

The fourth proportional to 229,249,459.20, 343,874,188.80 and 147,620,121.60 is: 221,430,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,249,459.20 : 343,874,188.80 = 147,620,121.60 : x
  2. Step 2: Convert to fraction form
    229,249,459.20/343,874,188.80 = 147,620,121.60/x
  3. Step 3: Cross multiply
    229,249,459.20x = 343,874,188.80 × 147,620,121.60
  4. Step 4: Simplify right side
    229,249,459.20x = 50,762,749,565,757,360
  5. Step 5: Solve for x
    x = 50,762,749,565,757,360/229,249,459.20
  6. Step 6: Final answer
    x = 221,430,182.40

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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.