Home / 40,899,328.64-61,285,928.64-20,125,919.36

Finding the Fourth Proportional to 40,899,328.64, 61,285,928.64 and 20,125,919.36

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Solution

The fourth proportional to 40,899,328.64, 61,285,928.64 and 20,125,919.36 is: 30,157,846.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,899,328.64 : 61,285,928.64 = 20,125,919.36 : x
  2. Step 2: Convert to fraction form
    40,899,328.64/61,285,928.64 = 20,125,919.36/x
  3. Step 3: Cross multiply
    40,899,328.64x = 61,285,928.64 × 20,125,919.36
  4. Step 4: Simplify right side
    40,899,328.64x = 1,233,435,657,711,354.50
  5. Step 5: Solve for x
    x = 1,233,435,657,711,354.50/40,899,328.64
  6. Step 6: Final answer
    x = 30,157,846.08

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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.