Home / 221,870,089.80-332,779,940.46-85,544,057.16

Finding the Fourth Proportional to 221,870,089.80, 332,779,940.46 and 85,544,057.16

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Solution

The fourth proportional to 221,870,089.80, 332,779,940.46 and 85,544,057.16 is: 128,306,371.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,870,089.80 : 332,779,940.46 = 85,544,057.16 : x
  2. Step 2: Convert to fraction form
    221,870,089.80/332,779,940.46 = 85,544,057.16/x
  3. Step 3: Cross multiply
    221,870,089.80x = 332,779,940.46 × 85,544,057.16
  4. Step 4: Simplify right side
    221,870,089.80x = 28,467,346,248,411,632
  5. Step 5: Solve for x
    x = 28,467,346,248,411,632/221,870,089.80
  6. Step 6: Final answer
    x = 128,306,371.87

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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.