Home / 57,009,698.54-85,521,273.78-42,723,568.01

Finding the Fourth Proportional to 57,009,698.54, 85,521,273.78 and 42,723,568.01

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Solution

The fourth proportional to 57,009,698.54, 85,521,273.78 and 42,723,568.01 is: 64,090,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,009,698.54 : 85,521,273.78 = 42,723,568.01 : x
  2. Step 2: Convert to fraction form
    57,009,698.54/85,521,273.78 = 42,723,568.01/x
  3. Step 3: Cross multiply
    57,009,698.54x = 85,521,273.78 × 42,723,568.01
  4. Step 4: Simplify right side
    57,009,698.54x = 3,653,773,956,294,299.50
  5. Step 5: Solve for x
    x = 3,653,773,956,294,299.50/57,009,698.54
  6. Step 6: Final answer
    x = 64,090,392.51

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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.