Home / 64,152,021.40-96,228,032.10-21,022,631.80

Finding the Fourth Proportional to 64,152,021.40, 96,228,032.10 and 21,022,631.80

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Solution

The fourth proportional to 64,152,021.40, 96,228,032.10 and 21,022,631.80 is: 31,533,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,152,021.40 : 96,228,032.10 = 21,022,631.80 : x
  2. Step 2: Convert to fraction form
    64,152,021.40/96,228,032.10 = 21,022,631.80/x
  3. Step 3: Cross multiply
    64,152,021.40x = 96,228,032.10 × 21,022,631.80
  4. Step 4: Simplify right side
    64,152,021.40x = 2,022,966,487,676,880.75
  5. Step 5: Solve for x
    x = 2,022,966,487,676,880.75/64,152,021.40
  6. Step 6: Final answer
    x = 31,533,947.70

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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.