Home / 74,370,770.28-111,213,694.62-70,742,799.72

Finding the Fourth Proportional to 74,370,770.28, 111,213,694.62 and 70,742,799.72

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Solution

The fourth proportional to 74,370,770.28, 111,213,694.62 and 70,742,799.72 is: 105,788,444.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,370,770.28 : 111,213,694.62 = 70,742,799.72 : x
  2. Step 2: Convert to fraction form
    74,370,770.28/111,213,694.62 = 70,742,799.72/x
  3. Step 3: Cross multiply
    74,370,770.28x = 111,213,694.62 × 70,742,799.72
  4. Step 4: Simplify right side
    74,370,770.28x = 7,867,568,124,623,902
  5. Step 5: Solve for x
    x = 7,867,568,124,623,902/74,370,770.28
  6. Step 6: Final answer
    x = 105,788,444.77

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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.