Home / 43,118,063.20-64,686,080.40-14,373,128.80

Finding the Fourth Proportional to 43,118,063.20, 64,686,080.40 and 14,373,128.80

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Solution

The fourth proportional to 43,118,063.20, 64,686,080.40 and 14,373,128.80 is: 21,562,688.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,118,063.20 : 64,686,080.40 = 14,373,128.80 : x
  2. Step 2: Convert to fraction form
    43,118,063.20/64,686,080.40 = 14,373,128.80/x
  3. Step 3: Cross multiply
    43,118,063.20x = 64,686,080.40 × 14,373,128.80
  4. Step 4: Simplify right side
    43,118,063.20x = 929,741,365,156,355.50
  5. Step 5: Solve for x
    x = 929,741,365,156,355.50/43,118,063.20
  6. Step 6: Final answer
    x = 21,562,688.49

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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.