Home / 296,381,633.96-444,532,093.09-78,013,689.68

Finding the Fourth Proportional to 296,381,633.96, 444,532,093.09 and 78,013,689.68

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Solution

The fourth proportional to 296,381,633.96, 444,532,093.09 and 78,013,689.68 is: 117,009,911.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,381,633.96 : 444,532,093.09 = 78,013,689.68 : x
  2. Step 2: Convert to fraction form
    296,381,633.96/444,532,093.09 = 78,013,689.68/x
  3. Step 3: Cross multiply
    296,381,633.96x = 444,532,093.09 × 78,013,689.68
  4. Step 4: Simplify right side
    296,381,633.96x = 34,679,588,763,124,132
  5. Step 5: Solve for x
    x = 34,679,588,763,124,132/296,381,633.96
  6. Step 6: Final answer
    x = 117,009,911.51

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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.