Home / 186,030,698.96-278,858,465.12-116,992,841.78

Finding the Fourth Proportional to 186,030,698.96, 278,858,465.12 and 116,992,841.78

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Solution

The fourth proportional to 186,030,698.96, 278,858,465.12 and 116,992,841.78 is: 175,371,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,030,698.96 : 278,858,465.12 = 116,992,841.78 : x
  2. Step 2: Convert to fraction form
    186,030,698.96/278,858,465.12 = 116,992,841.78/x
  3. Step 3: Cross multiply
    186,030,698.96x = 278,858,465.12 × 116,992,841.78
  4. Step 4: Simplify right side
    186,030,698.96x = 32,624,444,288,797,808
  5. Step 5: Solve for x
    x = 32,624,444,288,797,808/186,030,698.96
  6. Step 6: Final answer
    x = 175,371,293.40

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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.