Home / 89,006,931.80-133,534,017.30-31,493,205.80

Finding the Fourth Proportional to 89,006,931.80, 133,534,017.30 and 31,493,205.80

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Solution

The fourth proportional to 89,006,931.80, 133,534,017.30 and 31,493,205.80 is: 47,248,165.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,006,931.80 : 133,534,017.30 = 31,493,205.80 : x
  2. Step 2: Convert to fraction form
    89,006,931.80/133,534,017.30 = 31,493,205.80/x
  3. Step 3: Cross multiply
    89,006,931.80x = 133,534,017.30 × 31,493,205.80
  4. Step 4: Simplify right side
    89,006,931.80x = 4,205,414,288,129,660.50
  5. Step 5: Solve for x
    x = 4,205,414,288,129,660.50/89,006,931.80
  6. Step 6: Final answer
    x = 47,248,165.99

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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.