Home / 77,364,896.17-106,764,119.54-42,083,005.90

Finding the Fourth Proportional to 77,364,896.17, 106,764,119.54 and 42,083,005.90

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Solution

The fourth proportional to 77,364,896.17, 106,764,119.54 and 42,083,005.90 is: 58,074,854.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,364,896.17 : 106,764,119.54 = 42,083,005.90 : x
  2. Step 2: Convert to fraction form
    77,364,896.17/106,764,119.54 = 42,083,005.90/x
  3. Step 3: Cross multiply
    77,364,896.17x = 106,764,119.54 × 42,083,005.90
  4. Step 4: Simplify right side
    77,364,896.17x = 4,492,955,071,765,890
  5. Step 5: Solve for x
    x = 4,492,955,071,765,890/77,364,896.17
  6. Step 6: Final answer
    x = 58,074,854.29

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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.