Home / 64,543,009.20-89,069,351.40-35,569,633.20

Finding the Fourth Proportional to 64,543,009.20, 89,069,351.40 and 35,569,633.20

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Solution

The fourth proportional to 64,543,009.20, 89,069,351.40 and 35,569,633.20 is: 49,086,093.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,543,009.20 : 89,069,351.40 = 35,569,633.20 : x
  2. Step 2: Convert to fraction form
    64,543,009.20/89,069,351.40 = 35,569,633.20/x
  3. Step 3: Cross multiply
    64,543,009.20x = 89,069,351.40 × 35,569,633.20
  4. Step 4: Simplify right side
    64,543,009.20x = 3,168,164,158,659,907
  5. Step 5: Solve for x
    x = 3,168,164,158,659,907/64,543,009.20
  6. Step 6: Final answer
    x = 49,086,093.10

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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.