Home / 231,660,482.72-319,697,709.17-136,297,648.13

Finding the Fourth Proportional to 231,660,482.72, 319,697,709.17 and 136,297,648.13

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Solution

The fourth proportional to 231,660,482.72, 319,697,709.17 and 136,297,648.13 is: 188,094,427.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,660,482.72 : 319,697,709.17 = 136,297,648.13 : x
  2. Step 2: Convert to fraction form
    231,660,482.72/319,697,709.17 = 136,297,648.13/x
  3. Step 3: Cross multiply
    231,660,482.72x = 319,697,709.17 × 136,297,648.13
  4. Step 4: Simplify right side
    231,660,482.72x = 43,574,045,872,537,488
  5. Step 5: Solve for x
    x = 43,574,045,872,537,488/231,660,482.72
  6. Step 6: Final answer
    x = 188,094,427.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.