Home / 144,177,400.80-216,289,688.40-47,104,927.20

Finding the Fourth Proportional to 144,177,400.80, 216,289,688.40 and 47,104,927.20

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Solution

The fourth proportional to 144,177,400.80, 216,289,688.40 and 47,104,927.20 is: 70,665,097.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,177,400.80 : 216,289,688.40 = 47,104,927.20 : x
  2. Step 2: Convert to fraction form
    144,177,400.80/216,289,688.40 = 47,104,927.20/x
  3. Step 3: Cross multiply
    144,177,400.80x = 216,289,688.40 × 47,104,927.20
  4. Step 4: Simplify right side
    144,177,400.80x = 10,188,310,026,192,686
  5. Step 5: Solve for x
    x = 10,188,310,026,192,686/144,177,400.80
  6. Step 6: Final answer
    x = 70,665,097.09

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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.