Home / 313,152,033.20-469,728,049.80-97,713,287.60

Finding the Fourth Proportional to 313,152,033.20, 469,728,049.80 and 97,713,287.60

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Solution

The fourth proportional to 313,152,033.20, 469,728,049.80 and 97,713,287.60 is: 146,569,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,152,033.20 : 469,728,049.80 = 97,713,287.60 : x
  2. Step 2: Convert to fraction form
    313,152,033.20/469,728,049.80 = 97,713,287.60/x
  3. Step 3: Cross multiply
    313,152,033.20x = 469,728,049.80 × 97,713,287.60
  4. Step 4: Simplify right side
    313,152,033.20x = 45,898,672,023,894,520
  5. Step 5: Solve for x
    x = 45,898,672,023,894,520/313,152,033.20
  6. Step 6: Final answer
    x = 146,569,931.40

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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.