Home / 86,920,128,032.20-130,380,192,048.30-71,216,684,211.40

Finding the Fourth Proportional to 86,920,128,032.20, 130,380,192,048.30 and 71,216,684,211.40

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Solution

The fourth proportional to 86,920,128,032.20, 130,380,192,048.30 and 71,216,684,211.40 is: 106,825,026,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,128,032.20 : 130,380,192,048.30 = 71,216,684,211.40 : x
  2. Step 2: Convert to fraction form
    86,920,128,032.20/130,380,192,048.30 = 71,216,684,211.40/x
  3. Step 3: Cross multiply
    86,920,128,032.20x = 130,380,192,048.30 × 71,216,684,211.40
  4. Step 4: Simplify right side
    86,920,128,032.20x = 9,285,244,964,525,466,189,824
  5. Step 5: Solve for x
    x = 9,285,244,964,525,466,189,824/86,920,128,032.20
  6. Step 6: Final answer
    x = 106,825,026,317.10

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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.