Home / 186,012,515.92-278,763,682.20-117,733,326.16

Finding the Fourth Proportional to 186,012,515.92, 278,763,682.20 and 117,733,326.16

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Solution

The fourth proportional to 186,012,515.92, 278,763,682.20 and 117,733,326.16 is: 176,438,533.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,012,515.92 : 278,763,682.20 = 117,733,326.16 : x
  2. Step 2: Convert to fraction form
    186,012,515.92/278,763,682.20 = 117,733,326.16/x
  3. Step 3: Cross multiply
    186,012,515.92x = 278,763,682.20 × 117,733,326.16
  4. Step 4: Simplify right side
    186,012,515.92x = 32,819,775,518,015,184
  5. Step 5: Solve for x
    x = 32,819,775,518,015,184/186,012,515.92
  6. Step 6: Final answer
    x = 176,438,533.48

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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.