Home / 81,061,023.10-121,573,300.67-37,299,804.64

Finding the Fourth Proportional to 81,061,023.10, 121,573,300.67 and 37,299,804.64

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Solution

The fourth proportional to 81,061,023.10, 121,573,300.67 and 37,299,804.64 is: 55,941,316.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,061,023.10 : 121,573,300.67 = 37,299,804.64 : x
  2. Step 2: Convert to fraction form
    81,061,023.10/121,573,300.67 = 37,299,804.64/x
  3. Step 3: Cross multiply
    81,061,023.10x = 121,573,300.67 × 37,299,804.64
  4. Step 4: Simplify right side
    81,061,023.10x = 4,534,660,363,823,114
  5. Step 5: Solve for x
    x = 4,534,660,363,823,114/81,061,023.10
  6. Step 6: Final answer
    x = 55,941,316.69

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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.