Home / 64,152,022.60-96,228,033.90-21,025,585.45

Finding the Fourth Proportional to 64,152,022.60, 96,228,033.90 and 21,025,585.45

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Solution

The fourth proportional to 64,152,022.60, 96,228,033.90 and 21,025,585.45 is: 31,538,378.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,152,022.60 : 96,228,033.90 = 21,025,585.45 : x
  2. Step 2: Convert to fraction form
    64,152,022.60/96,228,033.90 = 21,025,585.45/x
  3. Step 3: Cross multiply
    64,152,022.60x = 96,228,033.90 × 21,025,585.45
  4. Step 4: Simplify right side
    64,152,022.60x = 2,023,250,749,449,946.75
  5. Step 5: Solve for x
    x = 2,023,250,749,449,946.75/64,152,022.60
  6. Step 6: Final answer
    x = 31,538,378.18

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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.