Home / 77,109,516.12-115,603,714.47-52,774,666.38

Finding the Fourth Proportional to 77,109,516.12, 115,603,714.47 and 52,774,666.38

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Solution

The fourth proportional to 77,109,516.12, 115,603,714.47 and 52,774,666.38 is: 79,120,551.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,109,516.12 : 115,603,714.47 = 52,774,666.38 : x
  2. Step 2: Convert to fraction form
    77,109,516.12/115,603,714.47 = 52,774,666.38/x
  3. Step 3: Cross multiply
    77,109,516.12x = 115,603,714.47 × 52,774,666.38
  4. Step 4: Simplify right side
    77,109,516.12x = 6,100,947,463,443,029
  5. Step 5: Solve for x
    x = 6,100,947,463,443,029/77,109,516.12
  6. Step 6: Final answer
    x = 79,120,551.79

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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.