Home / 211,445,725.42-317,479,935.12-118,255,278.10

Finding the Fourth Proportional to 211,445,725.42, 317,479,935.12 and 118,255,278.10

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Solution

The fourth proportional to 211,445,725.42, 317,479,935.12 and 118,255,278.10 is: 177,557,044.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,445,725.42 : 317,479,935.12 = 118,255,278.10 : x
  2. Step 2: Convert to fraction form
    211,445,725.42/317,479,935.12 = 118,255,278.10/x
  3. Step 3: Cross multiply
    211,445,725.42x = 317,479,935.12 × 118,255,278.10
  4. Step 4: Simplify right side
    211,445,725.42x = 37,543,678,018,785,552
  5. Step 5: Solve for x
    x = 37,543,678,018,785,552/211,445,725.42
  6. Step 6: Final answer
    x = 177,557,044.22

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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.