Home / 217,008,123.20-325,548,051.60-100,539,875.60

Finding the Fourth Proportional to 217,008,123.20, 325,548,051.60 and 100,539,875.60

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Solution

The fourth proportional to 217,008,123.20, 325,548,051.60 and 100,539,875.60 is: 150,826,430.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,008,123.20 : 325,548,051.60 = 100,539,875.60 : x
  2. Step 2: Convert to fraction form
    217,008,123.20/325,548,051.60 = 100,539,875.60/x
  3. Step 3: Cross multiply
    217,008,123.20x = 325,548,051.60 × 100,539,875.60
  4. Step 4: Simplify right side
    217,008,123.20x = 32,730,560,609,686,380
  5. Step 5: Solve for x
    x = 32,730,560,609,686,380/217,008,123.20
  6. Step 6: Final answer
    x = 150,826,430.49

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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.