Home / 86,920,129,708.20-130,380,194,562.30-86,369,131,679.40

Finding the Fourth Proportional to 86,920,129,708.20, 130,380,194,562.30 and 86,369,131,679.40

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Solution

The fourth proportional to 86,920,129,708.20, 130,380,194,562.30 and 86,369,131,679.40 is: 129,553,697,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,129,708.20 : 130,380,194,562.30 = 86,369,131,679.40 : x
  2. Step 2: Convert to fraction form
    86,920,129,708.20/130,380,194,562.30 = 86,369,131,679.40/x
  3. Step 3: Cross multiply
    86,920,129,708.20x = 130,380,194,562.30 × 86,369,131,679.40
  4. Step 4: Simplify right side
    86,920,129,708.20x = 11,260,824,192,537,080,102,912
  5. Step 5: Solve for x
    x = 11,260,824,192,537,080,102,912/86,920,129,708.20
  6. Step 6: Final answer
    x = 129,553,697,519.10

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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.