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Finding the Fourth Proportional to 94,769,999.20, 130,802,804.40 and 65,041,314.40

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Solution

The fourth proportional to 94,769,999.20, 130,802,804.40 and 65,041,314.40 is: 89,770,881.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,769,999.20 : 130,802,804.40 = 65,041,314.40 : x
  2. Step 2: Convert to fraction form
    94,769,999.20/130,802,804.40 = 65,041,314.40/x
  3. Step 3: Cross multiply
    94,769,999.20x = 130,802,804.40 × 65,041,314.40
  4. Step 4: Simplify right side
    94,769,999.20x = 8,507,586,325,382,104
  5. Step 5: Solve for x
    x = 8,507,586,325,382,104/94,769,999.20
  6. Step 6: Final answer
    x = 89,770,881.05

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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.