Home / 71,138,649.06-98,133,467.58-43,269,883.02

Finding the Fourth Proportional to 71,138,649.06, 98,133,467.58 and 43,269,883.02

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Solution

The fourth proportional to 71,138,649.06, 98,133,467.58 and 43,269,883.02 is: 59,689,405.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,138,649.06 : 98,133,467.58 = 43,269,883.02 : x
  2. Step 2: Convert to fraction form
    71,138,649.06/98,133,467.58 = 43,269,883.02/x
  3. Step 3: Cross multiply
    71,138,649.06x = 98,133,467.58 × 43,269,883.02
  4. Step 4: Simplify right side
    71,138,649.06x = 4,246,223,662,533,562.50
  5. Step 5: Solve for x
    x = 4,246,223,662,533,562.50/71,138,649.06
  6. Step 6: Final answer
    x = 59,689,405.39

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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.