Home / 102,751,931.64-154,162,159.70-68,343,980.92

Finding the Fourth Proportional to 102,751,931.64, 154,162,159.70 and 68,343,980.92

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Solution

The fourth proportional to 102,751,931.64, 154,162,159.70 and 68,343,980.92 is: 102,538,760.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,751,931.64 : 154,162,159.70 = 68,343,980.92 : x
  2. Step 2: Convert to fraction form
    102,751,931.64/154,162,159.70 = 68,343,980.92/x
  3. Step 3: Cross multiply
    102,751,931.64x = 154,162,159.70 × 68,343,980.92
  4. Step 4: Simplify right side
    102,751,931.64x = 10,536,055,701,122,792
  5. Step 5: Solve for x
    x = 10,536,055,701,122,792/102,751,931.64
  6. Step 6: Final answer
    x = 102,538,760.42

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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.