Home / 137,494,728.35-189,740,094.23-75,615,066.91

Finding the Fourth Proportional to 137,494,728.35, 189,740,094.23 and 75,615,066.91

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Solution

The fourth proportional to 137,494,728.35, 189,740,094.23 and 75,615,066.91 is: 104,347,345.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,494,728.35 : 189,740,094.23 = 75,615,066.91 : x
  2. Step 2: Convert to fraction form
    137,494,728.35/189,740,094.23 = 75,615,066.91/x
  3. Step 3: Cross multiply
    137,494,728.35x = 189,740,094.23 × 75,615,066.91
  4. Step 4: Simplify right side
    137,494,728.35x = 14,347,209,919,384,378
  5. Step 5: Solve for x
    x = 14,347,209,919,384,378/137,494,728.35
  6. Step 6: Final answer
    x = 104,347,345.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.