Home / 30,142,846.80-45,214,270.20-29,890,904.40

Finding the Fourth Proportional to 30,142,846.80, 45,214,270.20 and 29,890,904.40

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Solution

The fourth proportional to 30,142,846.80, 45,214,270.20 and 29,890,904.40 is: 44,836,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,142,846.80 : 45,214,270.20 = 29,890,904.40 : x
  2. Step 2: Convert to fraction form
    30,142,846.80/45,214,270.20 = 29,890,904.40/x
  3. Step 3: Cross multiply
    30,142,846.80x = 45,214,270.20 × 29,890,904.40
  4. Step 4: Simplify right side
    30,142,846.80x = 1,351,495,428,063,969
  5. Step 5: Solve for x
    x = 1,351,495,428,063,969/30,142,846.80
  6. Step 6: Final answer
    x = 44,836,356.60

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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.