Home / 99,034,812-136,665,377.82-59,364,752.58

Finding the Fourth Proportional to 99,034,812, 136,665,377.82 and 59,364,752.58

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Solution

The fourth proportional to 99,034,812, 136,665,377.82 and 59,364,752.58 is: 81,921,762.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,034,812 : 136,665,377.82 = 59,364,752.58 : x
  2. Step 2: Convert to fraction form
    99,034,812/136,665,377.82 = 59,364,752.58/x
  3. Step 3: Cross multiply
    99,034,812x = 136,665,377.82 × 59,364,752.58
  4. Step 4: Simplify right side
    99,034,812x = 8,113,106,340,536,519
  5. Step 5: Solve for x
    x = 8,113,106,340,536,519/99,034,812
  6. Step 6: Final answer
    x = 81,921,762.43

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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.