Home / 166,286,649.60-249,243,350.40-80,066,361.60

Finding the Fourth Proportional to 166,286,649.60, 249,243,350.40 and 80,066,361.60

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Solution

The fourth proportional to 166,286,649.60, 249,243,350.40 and 80,066,361.60 is: 120,009,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,286,649.60 : 249,243,350.40 = 80,066,361.60 : x
  2. Step 2: Convert to fraction form
    166,286,649.60/249,243,350.40 = 80,066,361.60/x
  3. Step 3: Cross multiply
    166,286,649.60x = 249,243,350.40 × 80,066,361.60
  4. Step 4: Simplify right side
    166,286,649.60x = 19,956,008,219,521,904
  5. Step 5: Solve for x
    x = 19,956,008,219,521,904/166,286,649.60
  6. Step 6: Final answer
    x = 120,009,683.68

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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.