Home / 71,347,196.36-98,457,456.20-41,980,430.90

Finding the Fourth Proportional to 71,347,196.36, 98,457,456.20 and 41,980,430.90

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Solution

The fourth proportional to 71,347,196.36, 98,457,456.20 and 41,980,430.90 is: 57,932,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,347,196.36 : 98,457,456.20 = 41,980,430.90 : x
  2. Step 2: Convert to fraction form
    71,347,196.36/98,457,456.20 = 41,980,430.90/x
  3. Step 3: Cross multiply
    71,347,196.36x = 98,457,456.20 × 41,980,430.90
  4. Step 4: Simplify right side
    71,347,196.36x = 4,133,286,435,891,687
  5. Step 5: Solve for x
    x = 4,133,286,435,891,687/71,347,196.36
  6. Step 6: Final answer
    x = 57,932,009.20

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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.