Home / 82,944,097.20-124,416,145.80-76,374,932.40

Finding the Fourth Proportional to 82,944,097.20, 124,416,145.80 and 76,374,932.40

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Solution

The fourth proportional to 82,944,097.20, 124,416,145.80 and 76,374,932.40 is: 114,562,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,097.20 : 124,416,145.80 = 76,374,932.40 : x
  2. Step 2: Convert to fraction form
    82,944,097.20/124,416,145.80 = 76,374,932.40/x
  3. Step 3: Cross multiply
    82,944,097.20x = 124,416,145.80 × 76,374,932.40
  4. Step 4: Simplify right side
    82,944,097.20x = 9,502,274,724,943,544
  5. Step 5: Solve for x
    x = 9,502,274,724,943,544/82,944,097.20
  6. Step 6: Final answer
    x = 114,562,398.60

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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.