Home / 71,256,004.20-106,884,006.30-30,945,220.20

Finding the Fourth Proportional to 71,256,004.20, 106,884,006.30 and 30,945,220.20

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Solution

The fourth proportional to 71,256,004.20, 106,884,006.30 and 30,945,220.20 is: 46,417,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,256,004.20 : 106,884,006.30 = 30,945,220.20 : x
  2. Step 2: Convert to fraction form
    71,256,004.20/106,884,006.30 = 30,945,220.20/x
  3. Step 3: Cross multiply
    71,256,004.20x = 106,884,006.30 × 30,945,220.20
  4. Step 4: Simplify right side
    71,256,004.20x = 3,307,549,110,811,687
  5. Step 5: Solve for x
    x = 3,307,549,110,811,687/71,256,004.20
  6. Step 6: Final answer
    x = 46,417,830.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.