Home / 260,186,468.20-390,279,702.30-68,710,244.20

Finding the Fourth Proportional to 260,186,468.20, 390,279,702.30 and 68,710,244.20

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Solution

The fourth proportional to 260,186,468.20, 390,279,702.30 and 68,710,244.20 is: 103,065,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,186,468.20 : 390,279,702.30 = 68,710,244.20 : x
  2. Step 2: Convert to fraction form
    260,186,468.20/390,279,702.30 = 68,710,244.20/x
  3. Step 3: Cross multiply
    260,186,468.20x = 390,279,702.30 × 68,710,244.20
  4. Step 4: Simplify right side
    260,186,468.20x = 26,816,213,651,336,304
  5. Step 5: Solve for x
    x = 26,816,213,651,336,304/260,186,468.20
  6. Step 6: Final answer
    x = 103,065,366.30

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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.