Home / 70,167,773.88-105,243,619.41-18,357,376.28

Finding the Fourth Proportional to 70,167,773.88, 105,243,619.41 and 18,357,376.28

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Solution

The fourth proportional to 70,167,773.88, 105,243,619.41 and 18,357,376.28 is: 27,533,960.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,167,773.88 : 105,243,619.41 = 18,357,376.28 : x
  2. Step 2: Convert to fraction form
    70,167,773.88/105,243,619.41 = 18,357,376.28/x
  3. Step 3: Cross multiply
    70,167,773.88x = 105,243,619.41 × 18,357,376.28
  4. Step 4: Simplify right side
    70,167,773.88x = 1,931,996,722,052,263.25
  5. Step 5: Solve for x
    x = 1,931,996,722,052,263.25/70,167,773.88
  6. Step 6: Final answer
    x = 27,533,960.61

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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.