Home / 212,686,055.10-319,029,082.65-212,686,055.10

Finding the Fourth Proportional to 212,686,055.10, 319,029,082.65 and 212,686,055.10

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Solution

The fourth proportional to 212,686,055.10, 319,029,082.65 and 212,686,055.10 is: 319,029,082.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,686,055.10 : 319,029,082.65 = 212,686,055.10 : x
  2. Step 2: Convert to fraction form
    212,686,055.10/319,029,082.65 = 212,686,055.10/x
  3. Step 3: Cross multiply
    212,686,055.10x = 319,029,082.65 × 212,686,055.10
  4. Step 4: Simplify right side
    212,686,055.10x = 67,853,037,051,000,344
  5. Step 5: Solve for x
    x = 67,853,037,051,000,344/212,686,055.10
  6. Step 6: Final answer
    x = 319,029,082.65

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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.