Home / 101,240,728.79-151,916,377.50-42,939,338.13

Finding the Fourth Proportional to 101,240,728.79, 151,916,377.50 and 42,939,338.13

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Solution

The fourth proportional to 101,240,728.79, 151,916,377.50 and 42,939,338.13 is: 64,432,454.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,240,728.79 : 151,916,377.50 = 42,939,338.13 : x
  2. Step 2: Convert to fraction form
    101,240,728.79/151,916,377.50 = 42,939,338.13/x
  3. Step 3: Cross multiply
    101,240,728.79x = 151,916,377.50 × 42,939,338.13
  4. Step 4: Simplify right side
    101,240,728.79x = 6,523,188,700,957,224
  5. Step 5: Solve for x
    x = 6,523,188,700,957,224/101,240,728.79
  6. Step 6: Final answer
    x = 64,432,454.99

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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.