Home / 78,935,492.36-118,349,356.44-42,052,896.56

Finding the Fourth Proportional to 78,935,492.36, 118,349,356.44 and 42,052,896.56

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Solution

The fourth proportional to 78,935,492.36, 118,349,356.44 and 42,052,896.56 is: 63,050,639.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,935,492.36 : 118,349,356.44 = 42,052,896.56 : x
  2. Step 2: Convert to fraction form
    78,935,492.36/118,349,356.44 = 42,052,896.56/x
  3. Step 3: Cross multiply
    78,935,492.36x = 118,349,356.44 × 42,052,896.56
  4. Step 4: Simplify right side
    78,935,492.36x = 4,976,933,244,313,890
  5. Step 5: Solve for x
    x = 4,976,933,244,313,890/78,935,492.36
  6. Step 6: Final answer
    x = 63,050,639.14

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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.