Home / 156,510,233.60-234,807,340.80-139,588,102.40

Finding the Fourth Proportional to 156,510,233.60, 234,807,340.80 and 139,588,102.40

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Solution

The fourth proportional to 156,510,233.60, 234,807,340.80 and 139,588,102.40 is: 209,419,603.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,510,233.60 : 234,807,340.80 = 139,588,102.40 : x
  2. Step 2: Convert to fraction form
    156,510,233.60/234,807,340.80 = 139,588,102.40/x
  3. Step 3: Cross multiply
    156,510,233.60x = 234,807,340.80 × 139,588,102.40
  4. Step 4: Simplify right side
    156,510,233.60x = 32,776,311,131,862,100
  5. Step 5: Solve for x
    x = 32,776,311,131,862,100/156,510,233.60
  6. Step 6: Final answer
    x = 209,419,603.93

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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.