Home / 68,202,279.60-102,303,419.40-41,262,068.40

Finding the Fourth Proportional to 68,202,279.60, 102,303,419.40 and 41,262,068.40

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Solution

The fourth proportional to 68,202,279.60, 102,303,419.40 and 41,262,068.40 is: 61,893,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,202,279.60 : 102,303,419.40 = 41,262,068.40 : x
  2. Step 2: Convert to fraction form
    68,202,279.60/102,303,419.40 = 41,262,068.40/x
  3. Step 3: Cross multiply
    68,202,279.60x = 102,303,419.40 × 41,262,068.40
  4. Step 4: Simplify right side
    68,202,279.60x = 4,221,250,688,836,687
  5. Step 5: Solve for x
    x = 4,221,250,688,836,687/68,202,279.60
  6. Step 6: Final answer
    x = 61,893,102.60

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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.