Home / 76,018,455.29-104,901,427.99-42,976,728.92

Finding the Fourth Proportional to 76,018,455.29, 104,901,427.99 and 42,976,728.92

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Solution

The fourth proportional to 76,018,455.29, 104,901,427.99 and 42,976,728.92 is: 59,305,601.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,018,455.29 : 104,901,427.99 = 42,976,728.92 : x
  2. Step 2: Convert to fraction form
    76,018,455.29/104,901,427.99 = 42,976,728.92/x
  3. Step 3: Cross multiply
    76,018,455.29x = 104,901,427.99 × 42,976,728.92
  4. Step 4: Simplify right side
    76,018,455.29x = 4,508,320,234,047,130
  5. Step 5: Solve for x
    x = 4,508,320,234,047,130/76,018,455.29
  6. Step 6: Final answer
    x = 59,305,601.74

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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.