Home / 147,610,619.80-221,415,929.70-70,915,154.20

Finding the Fourth Proportional to 147,610,619.80, 221,415,929.70 and 70,915,154.20

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Solution

The fourth proportional to 147,610,619.80, 221,415,929.70 and 70,915,154.20 is: 106,372,731.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,610,619.80 : 221,415,929.70 = 70,915,154.20 : x
  2. Step 2: Convert to fraction form
    147,610,619.80/221,415,929.70 = 70,915,154.20/x
  3. Step 3: Cross multiply
    147,610,619.80x = 221,415,929.70 × 70,915,154.20
  4. Step 4: Simplify right side
    147,610,619.80x = 15,701,744,797,011,860
  5. Step 5: Solve for x
    x = 15,701,744,797,011,860/147,610,619.80
  6. Step 6: Final answer
    x = 106,372,731.30

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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.