Home / 115,006,561.17-172,563,712.44-56,682,444.54

Finding the Fourth Proportional to 115,006,561.17, 172,563,712.44 and 56,682,444.54

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Solution

The fourth proportional to 115,006,561.17, 172,563,712.44 and 56,682,444.54 is: 85,050,217.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,006,561.17 : 172,563,712.44 = 56,682,444.54 : x
  2. Step 2: Convert to fraction form
    115,006,561.17/172,563,712.44 = 56,682,444.54/x
  3. Step 3: Cross multiply
    115,006,561.17x = 172,563,712.44 × 56,682,444.54
  4. Step 4: Simplify right side
    115,006,561.17x = 9,781,333,059,996,808
  5. Step 5: Solve for x
    x = 9,781,333,059,996,808/115,006,561.17
  6. Step 6: Final answer
    x = 85,050,217.66

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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.