Home / 90,990,053.70-136,485,080.55-56,552,676.90

Finding the Fourth Proportional to 90,990,053.70, 136,485,080.55 and 56,552,676.90

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Solution

The fourth proportional to 90,990,053.70, 136,485,080.55 and 56,552,676.90 is: 84,829,015.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,990,053.70 : 136,485,080.55 = 56,552,676.90 : x
  2. Step 2: Convert to fraction form
    90,990,053.70/136,485,080.55 = 56,552,676.90/x
  3. Step 3: Cross multiply
    90,990,053.70x = 136,485,080.55 × 56,552,676.90
  4. Step 4: Simplify right side
    90,990,053.70x = 7,718,596,662,014,625
  5. Step 5: Solve for x
    x = 7,718,596,662,014,625/90,990,053.70
  6. Step 6: Final answer
    x = 84,829,015.35

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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.