Home / 147,510,043.20-221,265,064.80-70,982,539.20

Finding the Fourth Proportional to 147,510,043.20, 221,265,064.80 and 70,982,539.20

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Solution

The fourth proportional to 147,510,043.20, 221,265,064.80 and 70,982,539.20 is: 106,473,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,510,043.20 : 221,265,064.80 = 70,982,539.20 : x
  2. Step 2: Convert to fraction form
    147,510,043.20/221,265,064.80 = 70,982,539.20/x
  3. Step 3: Cross multiply
    147,510,043.20x = 221,265,064.80 × 70,982,539.20
  4. Step 4: Simplify right side
    147,510,043.20x = 15,705,956,135,756,542
  5. Step 5: Solve for x
    x = 15,705,956,135,756,542/147,510,043.20
  6. Step 6: Final answer
    x = 106,473,808.80

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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.