Home / 88,336,360.56-121,901,801.40-49,178,139.60

Finding the Fourth Proportional to 88,336,360.56, 121,901,801.40 and 49,178,139.60

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Solution

The fourth proportional to 88,336,360.56, 121,901,801.40 and 49,178,139.60 is: 67,864,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,336,360.56 : 121,901,801.40 = 49,178,139.60 : x
  2. Step 2: Convert to fraction form
    88,336,360.56/121,901,801.40 = 49,178,139.60/x
  3. Step 3: Cross multiply
    88,336,360.56x = 121,901,801.40 × 49,178,139.60
  4. Step 4: Simplify right side
    88,336,360.56x = 5,994,903,806,740,676
  5. Step 5: Solve for x
    x = 5,994,903,806,740,676/88,336,360.56
  6. Step 6: Final answer
    x = 67,864,509.80

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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.