Home / 102,679,145.46-141,697,345.26-55,636,181.82

Finding the Fourth Proportional to 102,679,145.46, 141,697,345.26 and 55,636,181.82

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Solution

The fourth proportional to 102,679,145.46, 141,697,345.26 and 55,636,181.82 is: 76,777,998.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,679,145.46 : 141,697,345.26 = 55,636,181.82 : x
  2. Step 2: Convert to fraction form
    102,679,145.46/141,697,345.26 = 55,636,181.82/x
  3. Step 3: Cross multiply
    102,679,145.46x = 141,697,345.26 × 55,636,181.82
  4. Step 4: Simplify right side
    102,679,145.46x = 7,883,499,264,296,675
  5. Step 5: Solve for x
    x = 7,883,499,264,296,675/102,679,145.46
  6. Step 6: Final answer
    x = 76,777,998.38

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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.