Home / 64,947,971.70-89,628,309.03-35,578,663.95

Finding the Fourth Proportional to 64,947,971.70, 89,628,309.03 and 35,578,663.95

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Solution

The fourth proportional to 64,947,971.70, 89,628,309.03 and 35,578,663.95 is: 49,098,615.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,947,971.70 : 89,628,309.03 = 35,578,663.95 : x
  2. Step 2: Convert to fraction form
    64,947,971.70/89,628,309.03 = 35,578,663.95/x
  3. Step 3: Cross multiply
    64,947,971.70x = 89,628,309.03 × 35,578,663.95
  4. Step 4: Simplify right side
    64,947,971.70x = 3,188,855,487,385,121
  5. Step 5: Solve for x
    x = 3,188,855,487,385,121/64,947,971.70
  6. Step 6: Final answer
    x = 49,098,615.46

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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.