Home / 147,123,990.18-203,047,052.94-81,051,259.23

Finding the Fourth Proportional to 147,123,990.18, 203,047,052.94 and 81,051,259.23

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Solution

The fourth proportional to 147,123,990.18, 203,047,052.94 and 81,051,259.23 is: 111,859,522.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,123,990.18 : 203,047,052.94 = 81,051,259.23 : x
  2. Step 2: Convert to fraction form
    147,123,990.18/203,047,052.94 = 81,051,259.23/x
  3. Step 3: Cross multiply
    147,123,990.18x = 203,047,052.94 × 81,051,259.23
  4. Step 4: Simplify right side
    147,123,990.18x = 16,457,219,323,727,474
  5. Step 5: Solve for x
    x = 16,457,219,323,727,474/147,123,990.18
  6. Step 6: Final answer
    x = 111,859,522.73

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Why These Related Problems?

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