Home / 106,970,412.52-160,225,002.48-72,235,812.80

Finding the Fourth Proportional to 106,970,412.52, 160,225,002.48 and 72,235,812.80

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Solution

The fourth proportional to 106,970,412.52, 160,225,002.48 and 72,235,812.80 is: 108,197,986.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,970,412.52 : 160,225,002.48 = 72,235,812.80 : x
  2. Step 2: Convert to fraction form
    106,970,412.52/160,225,002.48 = 72,235,812.80/x
  3. Step 3: Cross multiply
    106,970,412.52x = 160,225,002.48 × 72,235,812.80
  4. Step 4: Simplify right side
    106,970,412.52x = 11,573,983,285,024,814
  5. Step 5: Solve for x
    x = 11,573,983,285,024,814/106,970,412.52
  6. Step 6: Final answer
    x = 108,197,986.83

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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.