Home / 86,920,344,601.20-130,380,516,901.80-71,216,900,780.40

Finding the Fourth Proportional to 86,920,344,601.20, 130,380,516,901.80 and 71,216,900,780.40

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Solution

The fourth proportional to 86,920,344,601.20, 130,380,516,901.80 and 71,216,900,780.40 is: 106,825,351,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,344,601.20 : 130,380,516,901.80 = 71,216,900,780.40 : x
  2. Step 2: Convert to fraction form
    86,920,344,601.20/130,380,516,901.80 = 71,216,900,780.40/x
  3. Step 3: Cross multiply
    86,920,344,601.20x = 130,380,516,901.80 × 71,216,900,780.40
  4. Step 4: Simplify right side
    86,920,344,601.20x = 9,285,296,335,892,754,989,056
  5. Step 5: Solve for x
    x = 9,285,296,335,892,754,989,056/86,920,344,601.20
  6. Step 6: Final answer
    x = 106,825,351,170.60

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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.