Home / 210,935,997.65-316,411,172.15-100,214,525.15

Finding the Fourth Proportional to 210,935,997.65, 316,411,172.15 and 100,214,525.15

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Solution

The fourth proportional to 210,935,997.65, 316,411,172.15 and 100,214,525.15 is: 150,325,196.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,935,997.65 : 316,411,172.15 = 100,214,525.15 : x
  2. Step 2: Convert to fraction form
    210,935,997.65/316,411,172.15 = 100,214,525.15/x
  3. Step 3: Cross multiply
    210,935,997.65x = 316,411,172.15 × 100,214,525.15
  4. Step 4: Simplify right side
    210,935,997.65x = 31,708,995,367,835,632
  5. Step 5: Solve for x
    x = 31,708,995,367,835,632/210,935,997.65
  6. Step 6: Final answer
    x = 150,325,196.85

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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.