Home / 210,935,998.52-316,411,173.46-100,214,526.02

Finding the Fourth Proportional to 210,935,998.52, 316,411,173.46 and 100,214,526.02

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Solution

The fourth proportional to 210,935,998.52, 316,411,173.46 and 100,214,526.02 is: 150,325,198.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,935,998.52 : 316,411,173.46 = 100,214,526.02 : x
  2. Step 2: Convert to fraction form
    210,935,998.52/316,411,173.46 = 100,214,526.02/x
  3. Step 3: Cross multiply
    210,935,998.52x = 316,411,173.46 × 100,214,526.02
  4. Step 4: Simplify right side
    210,935,998.52x = 31,708,995,775,725,900
  5. Step 5: Solve for x
    x = 31,708,995,775,725,900/210,935,998.52
  6. Step 6: Final answer
    x = 150,325,198.16

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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.