Home / 221,191,477.60-331,787,216.40-59,649,743.20

Finding the Fourth Proportional to 221,191,477.60, 331,787,216.40 and 59,649,743.20

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Solution

The fourth proportional to 221,191,477.60, 331,787,216.40 and 59,649,743.20 is: 89,474,614.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,191,477.60 : 331,787,216.40 = 59,649,743.20 : x
  2. Step 2: Convert to fraction form
    221,191,477.60/331,787,216.40 = 59,649,743.20/x
  3. Step 3: Cross multiply
    221,191,477.60x = 331,787,216.40 × 59,649,743.20
  4. Step 4: Simplify right side
    221,191,477.60x = 19,791,022,255,302,828
  5. Step 5: Solve for x
    x = 19,791,022,255,302,828/221,191,477.60
  6. Step 6: Final answer
    x = 89,474,614.80

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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.