Home / 66,084,953.93-99,116,436.17-20,015,869.85

Finding the Fourth Proportional to 66,084,953.93, 99,116,436.17 and 20,015,869.85

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Solution

The fourth proportional to 66,084,953.93, 99,116,436.17 and 20,015,869.85 is: 30,020,474.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,084,953.93 : 99,116,436.17 = 20,015,869.85 : x
  2. Step 2: Convert to fraction form
    66,084,953.93/99,116,436.17 = 20,015,869.85/x
  3. Step 3: Cross multiply
    66,084,953.93x = 99,116,436.17 × 20,015,869.85
  4. Step 4: Simplify right side
    66,084,953.93x = 1,983,901,685,878,970.25
  5. Step 5: Solve for x
    x = 1,983,901,685,878,970.25/66,084,953.93
  6. Step 6: Final answer
    x = 30,020,474.68

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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.