Home / 68,574,496.73-102,890,568.33-42,688,460.84

Finding the Fourth Proportional to 68,574,496.73, 102,890,568.33 and 42,688,460.84

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Solution

The fourth proportional to 68,574,496.73, 102,890,568.33 and 42,688,460.84 is: 64,050,634.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,574,496.73 : 102,890,568.33 = 42,688,460.84 : x
  2. Step 2: Convert to fraction form
    68,574,496.73/102,890,568.33 = 42,688,460.84/x
  3. Step 3: Cross multiply
    68,574,496.73x = 102,890,568.33 × 42,688,460.84
  4. Step 4: Simplify right side
    68,574,496.73x = 4,392,239,996,446,096.50
  5. Step 5: Solve for x
    x = 4,392,239,996,446,096.50/68,574,496.73
  6. Step 6: Final answer
    x = 64,050,634.07

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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.