Home / 64,152,025.40-96,228,038.10-21,022,635.80

Finding the Fourth Proportional to 64,152,025.40, 96,228,038.10 and 21,022,635.80

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Solution

The fourth proportional to 64,152,025.40, 96,228,038.10 and 21,022,635.80 is: 31,533,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,152,025.40 : 96,228,038.10 = 21,022,635.80 : x
  2. Step 2: Convert to fraction form
    64,152,025.40/96,228,038.10 = 21,022,635.80/x
  3. Step 3: Cross multiply
    64,152,025.40x = 96,228,038.10 × 21,022,635.80
  4. Step 4: Simplify right side
    64,152,025.40x = 2,022,966,998,724,824
  5. Step 5: Solve for x
    x = 2,022,966,998,724,824/64,152,025.40
  6. Step 6: Final answer
    x = 31,533,953.70

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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.