Home / 99,714,006.20-149,571,009.30-31,562,031.80

Finding the Fourth Proportional to 99,714,006.20, 149,571,009.30 and 31,562,031.80

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Solution

The fourth proportional to 99,714,006.20, 149,571,009.30 and 31,562,031.80 is: 47,343,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,714,006.20 : 149,571,009.30 = 31,562,031.80 : x
  2. Step 2: Convert to fraction form
    99,714,006.20/149,571,009.30 = 31,562,031.80/x
  3. Step 3: Cross multiply
    99,714,006.20x = 149,571,009.30 × 31,562,031.80
  4. Step 4: Simplify right side
    99,714,006.20x = 4,720,764,951,884,696
  5. Step 5: Solve for x
    x = 4,720,764,951,884,696/99,714,006.20
  6. Step 6: Final answer
    x = 47,343,047.70

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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.