Home / 39,280,337.70-54,188,090.73-30,518,551.86

Finding the Fourth Proportional to 39,280,337.70, 54,188,090.73 and 30,518,551.86

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Solution

The fourth proportional to 39,280,337.70, 54,188,090.73 and 30,518,551.86 is: 42,101,014.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,280,337.70 : 54,188,090.73 = 30,518,551.86 : x
  2. Step 2: Convert to fraction form
    39,280,337.70/54,188,090.73 = 30,518,551.86/x
  3. Step 3: Cross multiply
    39,280,337.70x = 54,188,090.73 × 30,518,551.86
  4. Step 4: Simplify right side
    39,280,337.70x = 1,653,742,057,137,890.25
  5. Step 5: Solve for x
    x = 1,653,742,057,137,890.25/39,280,337.70
  6. Step 6: Final answer
    x = 42,101,014.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.