Home / 109,768,273.79-164,432,886.90-66,024,879.69

Finding the Fourth Proportional to 109,768,273.79, 164,432,886.90 and 66,024,879.69

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Solution

The fourth proportional to 109,768,273.79, 164,432,886.90 and 66,024,879.69 is: 98,905,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,768,273.79 : 164,432,886.90 = 66,024,879.69 : x
  2. Step 2: Convert to fraction form
    109,768,273.79/164,432,886.90 = 66,024,879.69/x
  3. Step 3: Cross multiply
    109,768,273.79x = 164,432,886.90 × 66,024,879.69
  4. Step 4: Simplify right side
    109,768,273.79x = 10,856,661,574,651,878
  5. Step 5: Solve for x
    x = 10,856,661,574,651,878/109,768,273.79
  6. Step 6: Final answer
    x = 98,905,277.45

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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.