Home / 65,664,056.80-98,496,085.20-20,219,946.40

Finding the Fourth Proportional to 65,664,056.80, 98,496,085.20 and 20,219,946.40

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Solution

The fourth proportional to 65,664,056.80, 98,496,085.20 and 20,219,946.40 is: 30,329,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,664,056.80 : 98,496,085.20 = 20,219,946.40 : x
  2. Step 2: Convert to fraction form
    65,664,056.80/98,496,085.20 = 20,219,946.40/x
  3. Step 3: Cross multiply
    65,664,056.80x = 98,496,085.20 × 20,219,946.40
  4. Step 4: Simplify right side
    65,664,056.80x = 1,991,585,563,353,833.25
  5. Step 5: Solve for x
    x = 1,991,585,563,353,833.25/65,664,056.80
  6. Step 6: Final answer
    x = 30,329,919.60

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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.