Home / 201,552,905.60-278,125,277.52-112,238,100.77

Finding the Fourth Proportional to 201,552,905.60, 278,125,277.52 and 112,238,100.77

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Solution

The fourth proportional to 201,552,905.60, 278,125,277.52 and 112,238,100.77 is: 154,878,704.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,552,905.60 : 278,125,277.52 = 112,238,100.77 : x
  2. Step 2: Convert to fraction form
    201,552,905.60/278,125,277.52 = 112,238,100.77/x
  3. Step 3: Cross multiply
    201,552,905.60x = 278,125,277.52 × 112,238,100.77
  4. Step 4: Simplify right side
    201,552,905.60x = 31,216,252,925,669,284
  5. Step 5: Solve for x
    x = 31,216,252,925,669,284/201,552,905.60
  6. Step 6: Final answer
    x = 154,878,704.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.