Home / 70,419,023.04-105,617,203.92-19,289,088.48

Finding the Fourth Proportional to 70,419,023.04, 105,617,203.92 and 19,289,088.48

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Solution

The fourth proportional to 70,419,023.04, 105,617,203.92 and 19,289,088.48 is: 28,930,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,419,023.04 : 105,617,203.92 = 19,289,088.48 : x
  2. Step 2: Convert to fraction form
    70,419,023.04/105,617,203.92 = 19,289,088.48/x
  3. Step 3: Cross multiply
    70,419,023.04x = 105,617,203.92 × 19,289,088.48
  4. Step 4: Simplify right side
    70,419,023.04x = 2,037,259,591,423,083
  5. Step 5: Solve for x
    x = 2,037,259,591,423,083/70,419,023.04
  6. Step 6: Final answer
    x = 28,930,529.05

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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.