Home / 78,763,717.32-108,699,939.44-43,488,323.13

Finding the Fourth Proportional to 78,763,717.32, 108,699,939.44 and 43,488,323.13

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Solution

The fourth proportional to 78,763,717.32, 108,699,939.44 and 43,488,323.13 is: 60,017,204.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,763,717.32 : 108,699,939.44 = 43,488,323.13 : x
  2. Step 2: Convert to fraction form
    78,763,717.32/108,699,939.44 = 43,488,323.13/x
  3. Step 3: Cross multiply
    78,763,717.32x = 108,699,939.44 × 43,488,323.13
  4. Step 4: Simplify right side
    78,763,717.32x = 4,727,178,090,360,710
  5. Step 5: Solve for x
    x = 4,727,178,090,360,710/78,763,717.32
  6. Step 6: Final answer
    x = 60,017,204.00

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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.