Home / 75,459,853.71-104,135,035.23-42,419,813.58

Finding the Fourth Proportional to 75,459,853.71, 104,135,035.23 and 42,419,813.58

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Solution

The fourth proportional to 75,459,853.71, 104,135,035.23 and 42,419,813.58 is: 58,539,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,459,853.71 : 104,135,035.23 = 42,419,813.58 : x
  2. Step 2: Convert to fraction form
    75,459,853.71/104,135,035.23 = 42,419,813.58/x
  3. Step 3: Cross multiply
    75,459,853.71x = 104,135,035.23 × 42,419,813.58
  4. Step 4: Simplify right side
    75,459,853.71x = 4,417,388,781,603,332.50
  5. Step 5: Solve for x
    x = 4,417,388,781,603,332.50/75,459,853.71
  6. Step 6: Final answer
    x = 58,539,588.46

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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.