Home / 179,610,778.40-269,416,167.60-77,574,106.40

Finding the Fourth Proportional to 179,610,778.40, 269,416,167.60 and 77,574,106.40

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Solution

The fourth proportional to 179,610,778.40, 269,416,167.60 and 77,574,106.40 is: 116,361,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,610,778.40 : 269,416,167.60 = 77,574,106.40 : x
  2. Step 2: Convert to fraction form
    179,610,778.40/269,416,167.60 = 77,574,106.40/x
  3. Step 3: Cross multiply
    179,610,778.40x = 269,416,167.60 × 77,574,106.40
  4. Step 4: Simplify right side
    179,610,778.40x = 20,899,718,451,282,636
  5. Step 5: Solve for x
    x = 20,899,718,451,282,636/179,610,778.40
  6. Step 6: Final answer
    x = 116,361,159.60

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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.