Home / 72,827,216.40-109,226,827.80-21,710,902.80

Finding the Fourth Proportional to 72,827,216.40, 109,226,827.80 and 21,710,902.80

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Solution

The fourth proportional to 72,827,216.40, 109,226,827.80 and 21,710,902.80 is: 32,562,181.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,827,216.40 : 109,226,827.80 = 21,710,902.80 : x
  2. Step 2: Convert to fraction form
    72,827,216.40/109,226,827.80 = 21,710,902.80/x
  3. Step 3: Cross multiply
    72,827,216.40x = 109,226,827.80 × 21,710,902.80
  4. Step 4: Simplify right side
    72,827,216.40x = 2,371,413,041,518,138
  5. Step 5: Solve for x
    x = 2,371,413,041,518,138/72,827,216.40
  6. Step 6: Final answer
    x = 32,562,181.54

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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.