Home / 132,243,078.16-182,490,793.32-72,703,940.80

Finding the Fourth Proportional to 132,243,078.16, 182,490,793.32 and 72,703,940.80

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Solution

The fourth proportional to 132,243,078.16, 182,490,793.32 and 72,703,940.80 is: 100,328,879.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,243,078.16 : 182,490,793.32 = 72,703,940.80 : x
  2. Step 2: Convert to fraction form
    132,243,078.16/182,490,793.32 = 72,703,940.80/x
  3. Step 3: Cross multiply
    132,243,078.16x = 182,490,793.32 × 72,703,940.80
  4. Step 4: Simplify right side
    132,243,078.16x = 13,267,799,834,082,314
  5. Step 5: Solve for x
    x = 13,267,799,834,082,314/132,243,078.16
  6. Step 6: Final answer
    x = 100,328,879.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.