Home / 64,152,027.80-96,228,041.70-21,022,638.20

Finding the Fourth Proportional to 64,152,027.80, 96,228,041.70 and 21,022,638.20

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Solution

The fourth proportional to 64,152,027.80, 96,228,041.70 and 21,022,638.20 is: 31,533,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,152,027.80 : 96,228,041.70 = 21,022,638.20 : x
  2. Step 2: Convert to fraction form
    64,152,027.80/96,228,041.70 = 21,022,638.20/x
  3. Step 3: Cross multiply
    64,152,027.80x = 96,228,041.70 × 21,022,638.20
  4. Step 4: Simplify right side
    64,152,027.80x = 2,022,967,305,353,613
  5. Step 5: Solve for x
    x = 2,022,967,305,353,613/64,152,027.80
  6. Step 6: Final answer
    x = 31,533,957.30

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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.