Home / 98,010,465.60-147,015,698.40-82,704,964.80

Finding the Fourth Proportional to 98,010,465.60, 147,015,698.40 and 82,704,964.80

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Solution

The fourth proportional to 98,010,465.60, 147,015,698.40 and 82,704,964.80 is: 124,057,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,010,465.60 : 147,015,698.40 = 82,704,964.80 : x
  2. Step 2: Convert to fraction form
    98,010,465.60/147,015,698.40 = 82,704,964.80/x
  3. Step 3: Cross multiply
    98,010,465.60x = 147,015,698.40 × 82,704,964.80
  4. Step 4: Simplify right side
    98,010,465.60x = 12,158,928,161,219,416
  5. Step 5: Solve for x
    x = 12,158,928,161,219,416/98,010,465.60
  6. Step 6: Final answer
    x = 124,057,447.20

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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.