Home / 78,273,499.39-108,017,622.80-43,466,188.81

Finding the Fourth Proportional to 78,273,499.39, 108,017,622.80 and 43,466,188.81

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Solution

The fourth proportional to 78,273,499.39, 108,017,622.80 and 43,466,188.81 is: 59,983,448.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,273,499.39 : 108,017,622.80 = 43,466,188.81 : x
  2. Step 2: Convert to fraction form
    78,273,499.39/108,017,622.80 = 43,466,188.81/x
  3. Step 3: Cross multiply
    78,273,499.39x = 108,017,622.80 × 43,466,188.81
  4. Step 4: Simplify right side
    78,273,499.39x = 4,695,114,387,432,161
  5. Step 5: Solve for x
    x = 4,695,114,387,432,161/78,273,499.39
  6. Step 6: Final answer
    x = 59,983,448.09

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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.