Home / 211,169,869.62-316,346,230.90-118,772,872.75

Finding the Fourth Proportional to 211,169,869.62, 316,346,230.90 and 118,772,872.75

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Solution

The fourth proportional to 211,169,869.62, 316,346,230.90 and 118,772,872.75 is: 177,929,506.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,169,869.62 : 316,346,230.90 = 118,772,872.75 : x
  2. Step 2: Convert to fraction form
    211,169,869.62/316,346,230.90 = 118,772,872.75/x
  3. Step 3: Cross multiply
    211,169,869.62x = 316,346,230.90 × 118,772,872.75
  4. Step 4: Simplify right side
    211,169,869.62x = 37,573,350,627,627,816
  5. Step 5: Solve for x
    x = 37,573,350,627,627,816/211,169,869.62
  6. Step 6: Final answer
    x = 177,929,506.21

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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.