Home / 66,084,954.02-99,116,436.30-20,015,869.93

Finding the Fourth Proportional to 66,084,954.02, 99,116,436.30 and 20,015,869.93

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Solution

The fourth proportional to 66,084,954.02, 99,116,436.30 and 20,015,869.93 is: 30,020,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,084,954.02 : 99,116,436.30 = 20,015,869.93 : x
  2. Step 2: Convert to fraction form
    66,084,954.02/99,116,436.30 = 20,015,869.93/x
  3. Step 3: Cross multiply
    66,084,954.02x = 99,116,436.30 × 20,015,869.93
  4. Step 4: Simplify right side
    66,084,954.02x = 1,983,901,696,583,079.75
  5. Step 5: Solve for x
    x = 1,983,901,696,583,079.75/66,084,954.02
  6. Step 6: Final answer
    x = 30,020,474.80

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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.