Home / 211,317,004.20-316,975,506.30-134,789,500.20

Finding the Fourth Proportional to 211,317,004.20, 316,975,506.30 and 134,789,500.20

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Solution

The fourth proportional to 211,317,004.20, 316,975,506.30 and 134,789,500.20 is: 202,184,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,317,004.20 : 316,975,506.30 = 134,789,500.20 : x
  2. Step 2: Convert to fraction form
    211,317,004.20/316,975,506.30 = 134,789,500.20/x
  3. Step 3: Cross multiply
    211,317,004.20x = 316,975,506.30 × 134,789,500.20
  4. Step 4: Simplify right side
    211,317,004.20x = 42,724,970,069,818,952
  5. Step 5: Solve for x
    x = 42,724,970,069,818,952/211,317,004.20
  6. Step 6: Final answer
    x = 202,184,250.30

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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.