Home / 64,152,057.60-96,228,086.40-21,025,620.45

Finding the Fourth Proportional to 64,152,057.60, 96,228,086.40 and 21,025,620.45

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Solution

The fourth proportional to 64,152,057.60, 96,228,086.40 and 21,025,620.45 is: 31,538,430.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,152,057.60 : 96,228,086.40 = 21,025,620.45 : x
  2. Step 2: Convert to fraction form
    64,152,057.60/96,228,086.40 = 21,025,620.45/x
  3. Step 3: Cross multiply
    64,152,057.60x = 96,228,086.40 × 21,025,620.45
  4. Step 4: Simplify right side
    64,152,057.60x = 2,023,255,221,276,207
  5. Step 5: Solve for x
    x = 2,023,255,221,276,207/64,152,057.60
  6. Step 6: Final answer
    x = 31,538,430.68

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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.