Home / 74,643,584.40-111,965,376.60-61,889,000.40

Finding the Fourth Proportional to 74,643,584.40, 111,965,376.60 and 61,889,000.40

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Solution

The fourth proportional to 74,643,584.40, 111,965,376.60 and 61,889,000.40 is: 92,833,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,643,584.40 : 111,965,376.60 = 61,889,000.40 : x
  2. Step 2: Convert to fraction form
    74,643,584.40/111,965,376.60 = 61,889,000.40/x
  3. Step 3: Cross multiply
    74,643,584.40x = 111,965,376.60 × 61,889,000.40
  4. Step 4: Simplify right side
    74,643,584.40x = 6,929,425,237,183,550
  5. Step 5: Solve for x
    x = 6,929,425,237,183,550/74,643,584.40
  6. Step 6: Final answer
    x = 92,833,500.60

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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.