Home / 81,564,659,853.20-122,346,989,779.80-81,564,659,853.20

Finding the Fourth Proportional to 81,564,659,853.20, 122,346,989,779.80 and 81,564,659,853.20

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Solution

The fourth proportional to 81,564,659,853.20, 122,346,989,779.80 and 81,564,659,853.20 is: 122,346,989,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,564,659,853.20 : 122,346,989,779.80 = 81,564,659,853.20 : x
  2. Step 2: Convert to fraction form
    81,564,659,853.20/122,346,989,779.80 = 81,564,659,853.20/x
  3. Step 3: Cross multiply
    81,564,659,853.20x = 122,346,989,779.80 × 81,564,659,853.20
  4. Step 4: Simplify right side
    81,564,659,853.20x = 9,979,190,605,452,322,799,616
  5. Step 5: Solve for x
    x = 9,979,190,605,452,322,799,616/81,564,659,853.20
  6. Step 6: Final answer
    x = 122,346,989,779.80

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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.