Home / 111,162,241.29-153,402,020.11-61,602,514

Finding the Fourth Proportional to 111,162,241.29, 153,402,020.11 and 61,602,514

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Solution

The fourth proportional to 111,162,241.29, 153,402,020.11 and 61,602,514 is: 85,010,431.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,162,241.29 : 153,402,020.11 = 61,602,514 : x
  2. Step 2: Convert to fraction form
    111,162,241.29/153,402,020.11 = 61,602,514/x
  3. Step 3: Cross multiply
    111,162,241.29x = 153,402,020.11 × 61,602,514
  4. Step 4: Simplify right side
    111,162,241.29x = 9,449,950,091,454,558
  5. Step 5: Solve for x
    x = 9,449,950,091,454,558/111,162,241.29
  6. Step 6: Final answer
    x = 85,010,431.44

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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.