Home / 171,937,011.40-257,905,517.10-110,715,008.20

Finding the Fourth Proportional to 171,937,011.40, 257,905,517.10 and 110,715,008.20

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Solution

The fourth proportional to 171,937,011.40, 257,905,517.10 and 110,715,008.20 is: 166,072,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,937,011.40 : 257,905,517.10 = 110,715,008.20 : x
  2. Step 2: Convert to fraction form
    171,937,011.40/257,905,517.10 = 110,715,008.20/x
  3. Step 3: Cross multiply
    171,937,011.40x = 257,905,517.10 × 110,715,008.20
  4. Step 4: Simplify right side
    171,937,011.40x = 28,554,011,440,551,740
  5. Step 5: Solve for x
    x = 28,554,011,440,551,740/171,937,011.40
  6. Step 6: Final answer
    x = 166,072,512.30

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1.5x scale

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.