Home / 72,006,495.35-107,966,004.20-28,234,814.63

Finding the Fourth Proportional to 72,006,495.35, 107,966,004.20 and 28,234,814.63

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Solution

The fourth proportional to 72,006,495.35, 107,966,004.20 and 28,234,814.63 is: 42,335,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,006,495.35 : 107,966,004.20 = 28,234,814.63 : x
  2. Step 2: Convert to fraction form
    72,006,495.35/107,966,004.20 = 28,234,814.63/x
  3. Step 3: Cross multiply
    72,006,495.35x = 107,966,004.20 × 28,234,814.63
  4. Step 4: Simplify right side
    72,006,495.35x = 3,048,400,114,928,801.50
  5. Step 5: Solve for x
    x = 3,048,400,114,928,801.50/72,006,495.35
  6. Step 6: Final answer
    x = 42,335,071.30

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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.