Home / 221,434,280.40-332,151,420.60-159,893,412.60

Finding the Fourth Proportional to 221,434,280.40, 332,151,420.60 and 159,893,412.60

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Solution

The fourth proportional to 221,434,280.40, 332,151,420.60 and 159,893,412.60 is: 239,840,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,434,280.40 : 332,151,420.60 = 159,893,412.60 : x
  2. Step 2: Convert to fraction form
    221,434,280.40/332,151,420.60 = 159,893,412.60/x
  3. Step 3: Cross multiply
    221,434,280.40x = 332,151,420.60 × 159,893,412.60
  4. Step 4: Simplify right side
    221,434,280.40x = 53,108,824,139,671,944
  5. Step 5: Solve for x
    x = 53,108,824,139,671,944/221,434,280.40
  6. Step 6: Final answer
    x = 239,840,118.90

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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.