Home / 43,162,564.60-64,743,846.90-21,663,479.80

Finding the Fourth Proportional to 43,162,564.60, 64,743,846.90 and 21,663,479.80

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Solution

The fourth proportional to 43,162,564.60, 64,743,846.90 and 21,663,479.80 is: 32,495,219.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,162,564.60 : 64,743,846.90 = 21,663,479.80 : x
  2. Step 2: Convert to fraction form
    43,162,564.60/64,743,846.90 = 21,663,479.80/x
  3. Step 3: Cross multiply
    43,162,564.60x = 64,743,846.90 × 21,663,479.80
  4. Step 4: Simplify right side
    43,162,564.60x = 1,402,577,019,492,442.75
  5. Step 5: Solve for x
    x = 1,402,577,019,492,442.75/43,162,564.60
  6. Step 6: Final answer
    x = 32,495,219.70

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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.