Home / 130,336,286.80-195,630,401.40-65,713,061.20

Finding the Fourth Proportional to 130,336,286.80, 195,630,401.40 and 65,713,061.20

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Solution

The fourth proportional to 130,336,286.80, 195,630,401.40 and 65,713,061.20 is: 98,633,104.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,336,286.80 : 195,630,401.40 = 65,713,061.20 : x
  2. Step 2: Convert to fraction form
    130,336,286.80/195,630,401.40 = 65,713,061.20/x
  3. Step 3: Cross multiply
    130,336,286.80x = 195,630,401.40 × 65,713,061.20
  4. Step 4: Simplify right side
    130,336,286.80x = 12,855,472,539,778,766
  5. Step 5: Solve for x
    x = 12,855,472,539,778,766/130,336,286.80
  6. Step 6: Final answer
    x = 98,633,104.07

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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.