Home / 293,631,436.80-440,447,155.20-102,155,212.80

Finding the Fourth Proportional to 293,631,436.80, 440,447,155.20 and 102,155,212.80

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Solution

The fourth proportional to 293,631,436.80, 440,447,155.20 and 102,155,212.80 is: 153,232,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,631,436.80 : 440,447,155.20 = 102,155,212.80 : x
  2. Step 2: Convert to fraction form
    293,631,436.80/440,447,155.20 = 102,155,212.80/x
  3. Step 3: Cross multiply
    293,631,436.80x = 440,447,155.20 × 102,155,212.80
  4. Step 4: Simplify right side
    293,631,436.80x = 44,993,972,866,610,624
  5. Step 5: Solve for x
    x = 44,993,972,866,610,624/293,631,436.80
  6. Step 6: Final answer
    x = 153,232,819.20

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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.