Home / 207,156,133.60-310,734,200.40-130,817,586.40

Finding the Fourth Proportional to 207,156,133.60, 310,734,200.40 and 130,817,586.40

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Solution

The fourth proportional to 207,156,133.60, 310,734,200.40 and 130,817,586.40 is: 196,226,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,156,133.60 : 310,734,200.40 = 130,817,586.40 : x
  2. Step 2: Convert to fraction form
    207,156,133.60/310,734,200.40 = 130,817,586.40/x
  3. Step 3: Cross multiply
    207,156,133.60x = 310,734,200.40 × 130,817,586.40
  4. Step 4: Simplify right side
    207,156,133.60x = 40,649,498,108,261,912
  5. Step 5: Solve for x
    x = 40,649,498,108,261,912/207,156,133.60
  6. Step 6: Final answer
    x = 196,226,379.60

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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.