Home / 221,796,646.60-332,688,749.10-100,627,904.20

Finding the Fourth Proportional to 221,796,646.60, 332,688,749.10 and 100,627,904.20

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Solution

The fourth proportional to 221,796,646.60, 332,688,749.10 and 100,627,904.20 is: 150,939,033.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,796,646.60 : 332,688,749.10 = 100,627,904.20 : x
  2. Step 2: Convert to fraction form
    221,796,646.60/332,688,749.10 = 100,627,904.20/x
  3. Step 3: Cross multiply
    221,796,646.60x = 332,688,749.10 × 100,627,904.20
  4. Step 4: Simplify right side
    221,796,646.60x = 33,477,771,572,852,640
  5. Step 5: Solve for x
    x = 33,477,771,572,852,640/221,796,646.60
  6. Step 6: Final answer
    x = 150,939,033.96

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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.