Home / 215,913,561.60-323,870,342.40-195,086,323.20

Finding the Fourth Proportional to 215,913,561.60, 323,870,342.40 and 195,086,323.20

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Solution

The fourth proportional to 215,913,561.60, 323,870,342.40 and 195,086,323.20 is: 292,629,484.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,913,561.60 : 323,870,342.40 = 195,086,323.20 : x
  2. Step 2: Convert to fraction form
    215,913,561.60/323,870,342.40 = 195,086,323.20/x
  3. Step 3: Cross multiply
    215,913,561.60x = 323,870,342.40 × 195,086,323.20
  4. Step 4: Simplify right side
    215,913,561.60x = 63,182,674,292,341,056
  5. Step 5: Solve for x
    x = 63,182,674,292,341,056/215,913,561.60
  6. Step 6: Final answer
    x = 292,629,484.80

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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.