Home / 220,292,905.60-330,439,358.40-105,501,649.60

Finding the Fourth Proportional to 220,292,905.60, 330,439,358.40 and 105,501,649.60

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Solution

The fourth proportional to 220,292,905.60, 330,439,358.40 and 105,501,649.60 is: 158,252,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,292,905.60 : 330,439,358.40 = 105,501,649.60 : x
  2. Step 2: Convert to fraction form
    220,292,905.60/330,439,358.40 = 105,501,649.60/x
  3. Step 3: Cross multiply
    220,292,905.60x = 330,439,358.40 × 105,501,649.60
  4. Step 4: Simplify right side
    220,292,905.60x = 34,861,897,403,965,612
  5. Step 5: Solve for x
    x = 34,861,897,403,965,612/220,292,905.60
  6. Step 6: Final answer
    x = 158,252,474.40

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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.