Home / 170,978,947-256,468,420.50-75,240,835

Finding the Fourth Proportional to 170,978,947, 256,468,420.50 and 75,240,835

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Solution

The fourth proportional to 170,978,947, 256,468,420.50 and 75,240,835 is: 112,861,252.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,978,947 : 256,468,420.50 = 75,240,835 : x
  2. Step 2: Convert to fraction form
    170,978,947/256,468,420.50 = 75,240,835/x
  3. Step 3: Cross multiply
    170,978,947x = 256,468,420.50 × 75,240,835
  4. Step 4: Simplify right side
    170,978,947x = 19,296,898,109,551,116
  5. Step 5: Solve for x
    x = 19,296,898,109,551,116/170,978,947
  6. Step 6: Final answer
    x = 112,861,252.50

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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.