Home / 105,329,221.60-157,993,832.40-54,310,885.60

Finding the Fourth Proportional to 105,329,221.60, 157,993,832.40 and 54,310,885.60

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Solution

The fourth proportional to 105,329,221.60, 157,993,832.40 and 54,310,885.60 is: 81,466,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,329,221.60 : 157,993,832.40 = 54,310,885.60 : x
  2. Step 2: Convert to fraction form
    105,329,221.60/157,993,832.40 = 54,310,885.60/x
  3. Step 3: Cross multiply
    105,329,221.60x = 157,993,832.40 × 54,310,885.60
  4. Step 4: Simplify right side
    105,329,221.60x = 8,580,784,956,981,974
  5. Step 5: Solve for x
    x = 8,580,784,956,981,974/105,329,221.60
  6. Step 6: Final answer
    x = 81,466,328.40

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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.