Home / 101,678,435.72-140,331,579.30-62,008,980.77

Finding the Fourth Proportional to 101,678,435.72, 140,331,579.30 and 62,008,980.77

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Solution

The fourth proportional to 101,678,435.72, 140,331,579.30 and 62,008,980.77 is: 85,581,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,678,435.72 : 140,331,579.30 = 62,008,980.77 : x
  2. Step 2: Convert to fraction form
    101,678,435.72/140,331,579.30 = 62,008,980.77/x
  3. Step 3: Cross multiply
    101,678,435.72x = 140,331,579.30 × 62,008,980.77
  4. Step 4: Simplify right side
    101,678,435.72x = 8,701,818,201,535,773
  5. Step 5: Solve for x
    x = 8,701,818,201,535,773/101,678,435.72
  6. Step 6: Final answer
    x = 85,581,747.40

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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.