Home / 147,620,524.80-221,430,787.20-70,925,059.20

Finding the Fourth Proportional to 147,620,524.80, 221,430,787.20 and 70,925,059.20

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Solution

The fourth proportional to 147,620,524.80, 221,430,787.20 and 70,925,059.20 is: 106,387,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,620,524.80 : 221,430,787.20 = 70,925,059.20 : x
  2. Step 2: Convert to fraction form
    147,620,524.80/221,430,787.20 = 70,925,059.20/x
  3. Step 3: Cross multiply
    147,620,524.80x = 221,430,787.20 × 70,925,059.20
  4. Step 4: Simplify right side
    147,620,524.80x = 15,704,991,690,862,602
  5. Step 5: Solve for x
    x = 15,704,991,690,862,602/147,620,524.80
  6. Step 6: Final answer
    x = 106,387,588.80

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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.