Home / 143,561,215.80-215,341,823.70-70,812,847.80

Finding the Fourth Proportional to 143,561,215.80, 215,341,823.70 and 70,812,847.80

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Solution

The fourth proportional to 143,561,215.80, 215,341,823.70 and 70,812,847.80 is: 106,219,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,561,215.80 : 215,341,823.70 = 70,812,847.80 : x
  2. Step 2: Convert to fraction form
    143,561,215.80/215,341,823.70 = 70,812,847.80/x
  3. Step 3: Cross multiply
    143,561,215.80x = 215,341,823.70 × 70,812,847.80
  4. Step 4: Simplify right side
    143,561,215.80x = 15,248,967,786,642,532
  5. Step 5: Solve for x
    x = 15,248,967,786,642,532/143,561,215.80
  6. Step 6: Final answer
    x = 106,219,271.70

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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.