Home / 69,930,200.60-104,895,300.90-42,720,421.40

Finding the Fourth Proportional to 69,930,200.60, 104,895,300.90 and 42,720,421.40

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Solution

The fourth proportional to 69,930,200.60, 104,895,300.90 and 42,720,421.40 is: 64,080,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,930,200.60 : 104,895,300.90 = 42,720,421.40 : x
  2. Step 2: Convert to fraction form
    69,930,200.60/104,895,300.90 = 42,720,421.40/x
  3. Step 3: Cross multiply
    69,930,200.60x = 104,895,300.90 × 42,720,421.40
  4. Step 4: Simplify right side
    69,930,200.60x = 4,481,171,457,327,799.50
  5. Step 5: Solve for x
    x = 4,481,171,457,327,799.50/69,930,200.60
  6. Step 6: Final answer
    x = 64,080,632.10

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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.