Home / 124,639,048.17-172,008,425.03-75,094,968.87

Finding the Fourth Proportional to 124,639,048.17, 172,008,425.03 and 75,094,968.87

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Solution

The fourth proportional to 124,639,048.17, 172,008,425.03 and 75,094,968.87 is: 103,634,996.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,639,048.17 : 172,008,425.03 = 75,094,968.87 : x
  2. Step 2: Convert to fraction form
    124,639,048.17/172,008,425.03 = 75,094,968.87/x
  3. Step 3: Cross multiply
    124,639,048.17x = 172,008,425.03 × 75,094,968.87
  4. Step 4: Simplify right side
    124,639,048.17x = 12,916,967,322,630,106
  5. Step 5: Solve for x
    x = 12,916,967,322,630,106/124,639,048.17
  6. Step 6: Final answer
    x = 103,634,996.51

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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.