Home / 143,707,817.88-215,558,624.67-40,074,262.74

Finding the Fourth Proportional to 143,707,817.88, 215,558,624.67 and 40,074,262.74

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Solution

The fourth proportional to 143,707,817.88, 215,558,624.67 and 40,074,262.74 is: 60,110,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,707,817.88 : 215,558,624.67 = 40,074,262.74 : x
  2. Step 2: Convert to fraction form
    143,707,817.88/215,558,624.67 = 40,074,262.74/x
  3. Step 3: Cross multiply
    143,707,817.88x = 215,558,624.67 × 40,074,262.74
  4. Step 4: Simplify right side
    143,707,817.88x = 8,638,352,960,898,626
  5. Step 5: Solve for x
    x = 8,638,352,960,898,626/143,707,817.88
  6. Step 6: Final answer
    x = 60,110,529.05

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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.