Home / 90,841,102.60-136,037,705.10-60,384,065.80

Finding the Fourth Proportional to 90,841,102.60, 136,037,705.10 and 60,384,065.80

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Solution

The fourth proportional to 90,841,102.60, 136,037,705.10 and 60,384,065.80 is: 90,427,235.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,841,102.60 : 136,037,705.10 = 60,384,065.80 : x
  2. Step 2: Convert to fraction form
    90,841,102.60/136,037,705.10 = 60,384,065.80/x
  3. Step 3: Cross multiply
    90,841,102.60x = 136,037,705.10 × 60,384,065.80
  4. Step 4: Simplify right side
    90,841,102.60x = 8,214,509,736,039,395
  5. Step 5: Solve for x
    x = 8,214,509,736,039,395/90,841,102.60
  6. Step 6: Final answer
    x = 90,427,235.04

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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.