Home / 212,311,043.60-318,318,499.70-94,071,495.09

Finding the Fourth Proportional to 212,311,043.60, 318,318,499.70 and 94,071,495.09

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Solution

The fourth proportional to 212,311,043.60, 318,318,499.70 and 94,071,495.09 is: 141,041,637.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,311,043.60 : 318,318,499.70 = 94,071,495.09 : x
  2. Step 2: Convert to fraction form
    212,311,043.60/318,318,499.70 = 94,071,495.09/x
  3. Step 3: Cross multiply
    212,311,043.60x = 318,318,499.70 × 94,071,495.09
  4. Step 4: Simplify right side
    212,311,043.60x = 29,944,697,181,114,360
  5. Step 5: Solve for x
    x = 29,944,697,181,114,360/212,311,043.60
  6. Step 6: Final answer
    x = 141,041,637.18

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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.