Home / 212,784,335.10-319,176,502.65-51,226,271.10

Finding the Fourth Proportional to 212,784,335.10, 319,176,502.65 and 51,226,271.10

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Solution

The fourth proportional to 212,784,335.10, 319,176,502.65 and 51,226,271.10 is: 76,839,406.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,784,335.10 : 319,176,502.65 = 51,226,271.10 : x
  2. Step 2: Convert to fraction form
    212,784,335.10/319,176,502.65 = 51,226,271.10/x
  3. Step 3: Cross multiply
    212,784,335.10x = 319,176,502.65 × 51,226,271.10
  4. Step 4: Simplify right side
    212,784,335.10x = 16,350,222,053,498,768
  5. Step 5: Solve for x
    x = 16,350,222,053,498,768/212,784,335.10
  6. Step 6: Final answer
    x = 76,839,406.65

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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.