Home / 188,068,901.80-282,103,352.70-174,464,012.20

Finding the Fourth Proportional to 188,068,901.80, 282,103,352.70 and 174,464,012.20

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Solution

The fourth proportional to 188,068,901.80, 282,103,352.70 and 174,464,012.20 is: 261,696,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,068,901.80 : 282,103,352.70 = 174,464,012.20 : x
  2. Step 2: Convert to fraction form
    188,068,901.80/282,103,352.70 = 174,464,012.20/x
  3. Step 3: Cross multiply
    188,068,901.80x = 282,103,352.70 × 174,464,012.20
  4. Step 4: Simplify right side
    188,068,901.80x = 49,216,882,767,113,696
  5. Step 5: Solve for x
    x = 49,216,882,767,113,696/188,068,901.80
  6. Step 6: Final answer
    x = 261,696,018.30

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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.