Home / 144,011,990.41-215,993,641.57-40,357,357.28

Finding the Fourth Proportional to 144,011,990.41, 215,993,641.57 and 40,357,357.28

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Solution

The fourth proportional to 144,011,990.41, 215,993,641.57 and 40,357,357.28 is: 60,529,213.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,011,990.41 : 215,993,641.57 = 40,357,357.28 : x
  2. Step 2: Convert to fraction form
    144,011,990.41/215,993,641.57 = 40,357,357.28/x
  3. Step 3: Cross multiply
    144,011,990.41x = 215,993,641.57 × 40,357,357.28
  4. Step 4: Simplify right side
    144,011,990.41x = 8,716,932,563,487,840
  5. Step 5: Solve for x
    x = 8,716,932,563,487,840/144,011,990.41
  6. Step 6: Final answer
    x = 60,529,213.84

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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.