Home / 221,470,477.40-332,205,716.10-169,814,412.20

Finding the Fourth Proportional to 221,470,477.40, 332,205,716.10 and 169,814,412.20

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Solution

The fourth proportional to 221,470,477.40, 332,205,716.10 and 169,814,412.20 is: 254,721,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,470,477.40 : 332,205,716.10 = 169,814,412.20 : x
  2. Step 2: Convert to fraction form
    221,470,477.40/332,205,716.10 = 169,814,412.20/x
  3. Step 3: Cross multiply
    221,470,477.40x = 332,205,716.10 × 169,814,412.20
  4. Step 4: Simplify right side
    221,470,477.40x = 56,413,318,409,001,576
  5. Step 5: Solve for x
    x = 56,413,318,409,001,576/221,470,477.40
  6. Step 6: Final answer
    x = 254,721,618.30

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1.5x scale

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.