Home / 211,265,590.80-316,898,386.20-109,228,918.80

Finding the Fourth Proportional to 211,265,590.80, 316,898,386.20 and 109,228,918.80

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Solution

The fourth proportional to 211,265,590.80, 316,898,386.20 and 109,228,918.80 is: 163,843,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,265,590.80 : 316,898,386.20 = 109,228,918.80 : x
  2. Step 2: Convert to fraction form
    211,265,590.80/316,898,386.20 = 109,228,918.80/x
  3. Step 3: Cross multiply
    211,265,590.80x = 316,898,386.20 × 109,228,918.80
  4. Step 4: Simplify right side
    211,265,590.80x = 34,614,468,094,090,840
  5. Step 5: Solve for x
    x = 34,614,468,094,090,840/211,265,590.80
  6. Step 6: Final answer
    x = 163,843,378.20

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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.