Home / 102,812,680.64-154,138,274.70-70,366,214.36

Finding the Fourth Proportional to 102,812,680.64, 154,138,274.70 and 70,366,214.36

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Solution

The fourth proportional to 102,812,680.64, 154,138,274.70 and 70,366,214.36 is: 105,494,057.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,812,680.64 : 154,138,274.70 = 70,366,214.36 : x
  2. Step 2: Convert to fraction form
    102,812,680.64/154,138,274.70 = 70,366,214.36/x
  3. Step 3: Cross multiply
    102,812,680.64x = 154,138,274.70 × 70,366,214.36
  4. Step 4: Simplify right side
    102,812,680.64x = 10,846,126,878,620,764
  5. Step 5: Solve for x
    x = 10,846,126,878,620,764/102,812,680.64
  6. Step 6: Final answer
    x = 105,494,057.84

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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.