Home / 98,010,441.60-147,015,662.40-82,704,940.80

Finding the Fourth Proportional to 98,010,441.60, 147,015,662.40 and 82,704,940.80

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Solution

The fourth proportional to 98,010,441.60, 147,015,662.40 and 82,704,940.80 is: 124,057,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,010,441.60 : 147,015,662.40 = 82,704,940.80 : x
  2. Step 2: Convert to fraction form
    98,010,441.60/147,015,662.40 = 82,704,940.80/x
  3. Step 3: Cross multiply
    98,010,441.60x = 147,015,662.40 × 82,704,940.80
  4. Step 4: Simplify right side
    98,010,441.60x = 12,158,921,655,464,786
  5. Step 5: Solve for x
    x = 12,158,921,655,464,786/98,010,441.60
  6. Step 6: Final answer
    x = 124,057,411.20

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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.