Home / 74,874,054.40-112,185,110.40-70,339,091.20

Finding the Fourth Proportional to 74,874,054.40, 112,185,110.40 and 70,339,091.20

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Solution

The fourth proportional to 74,874,054.40, 112,185,110.40 and 70,339,091.20 is: 105,390,295.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,874,054.40 : 112,185,110.40 = 70,339,091.20 : x
  2. Step 2: Convert to fraction form
    74,874,054.40/112,185,110.40 = 70,339,091.20/x
  3. Step 3: Cross multiply
    74,874,054.40x = 112,185,110.40 × 70,339,091.20
  4. Step 4: Simplify right side
    74,874,054.40x = 7,890,998,711,707,669
  5. Step 5: Solve for x
    x = 7,890,998,711,707,669/74,874,054.40
  6. Step 6: Final answer
    x = 105,390,295.41

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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.