Home / 194,350,981.60-291,638,446.80-73,269,330.40

Finding the Fourth Proportional to 194,350,981.60, 291,638,446.80 and 73,269,330.40

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Solution

The fourth proportional to 194,350,981.60, 291,638,446.80 and 73,269,330.40 is: 109,946,209.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,350,981.60 : 291,638,446.80 = 73,269,330.40 : x
  2. Step 2: Convert to fraction form
    194,350,981.60/291,638,446.80 = 73,269,330.40/x
  3. Step 3: Cross multiply
    194,350,981.60x = 291,638,446.80 × 73,269,330.40
  4. Step 4: Simplify right side
    194,350,981.60x = 21,368,153,715,932,024
  5. Step 5: Solve for x
    x = 21,368,153,715,932,024/194,350,981.60
  6. Step 6: Final answer
    x = 109,946,209.38

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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.