Home / 64,152,020.40-96,228,030.60-21,022,630.80

Finding the Fourth Proportional to 64,152,020.40, 96,228,030.60 and 21,022,630.80

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Solution

The fourth proportional to 64,152,020.40, 96,228,030.60 and 21,022,630.80 is: 31,533,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,152,020.40 : 96,228,030.60 = 21,022,630.80 : x
  2. Step 2: Convert to fraction form
    64,152,020.40/96,228,030.60 = 21,022,630.80/x
  3. Step 3: Cross multiply
    64,152,020.40x = 96,228,030.60 × 21,022,630.80
  4. Step 4: Simplify right side
    64,152,020.40x = 2,022,966,359,914,902.50
  5. Step 5: Solve for x
    x = 2,022,966,359,914,902.50/64,152,020.40
  6. Step 6: Final answer
    x = 31,533,946.20

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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.