Home / 211,317,001.20-316,975,501.80-134,789,497.20

Finding the Fourth Proportional to 211,317,001.20, 316,975,501.80 and 134,789,497.20

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Solution

The fourth proportional to 211,317,001.20, 316,975,501.80 and 134,789,497.20 is: 202,184,245.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,317,001.20 : 316,975,501.80 = 134,789,497.20 : x
  2. Step 2: Convert to fraction form
    211,317,001.20/316,975,501.80 = 134,789,497.20/x
  3. Step 3: Cross multiply
    211,317,001.20x = 316,975,501.80 × 134,789,497.20
  4. Step 4: Simplify right side
    211,317,001.20x = 42,724,968,512,339,696
  5. Step 5: Solve for x
    x = 42,724,968,512,339,696/211,317,001.20
  6. Step 6: Final answer
    x = 202,184,245.80

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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.