Home / 103,395,345.60-154,933,586.10-89,684,167.80

Finding the Fourth Proportional to 103,395,345.60, 154,933,586.10 and 89,684,167.80

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Solution

The fourth proportional to 103,395,345.60, 154,933,586.10 and 89,684,167.80 is: 134,387,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,395,345.60 : 154,933,586.10 = 89,684,167.80 : x
  2. Step 2: Convert to fraction form
    103,395,345.60/154,933,586.10 = 89,684,167.80/x
  3. Step 3: Cross multiply
    103,395,345.60x = 154,933,586.10 × 89,684,167.80
  4. Step 4: Simplify right side
    103,395,345.60x = 13,895,089,733,648,146
  5. Step 5: Solve for x
    x = 13,895,089,733,648,146/103,395,345.60
  6. Step 6: Final answer
    x = 134,387,961.60

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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.