Home / 75,173,555.52-103,742,353.44-42,134,410.08

Finding the Fourth Proportional to 75,173,555.52, 103,742,353.44 and 42,134,410.08

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Solution

The fourth proportional to 75,173,555.52, 103,742,353.44 and 42,134,410.08 is: 58,147,081.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,173,555.52 : 103,742,353.44 = 42,134,410.08 : x
  2. Step 2: Convert to fraction form
    75,173,555.52/103,742,353.44 = 42,134,410.08/x
  3. Step 3: Cross multiply
    75,173,555.52x = 103,742,353.44 × 42,134,410.08
  4. Step 4: Simplify right side
    75,173,555.52x = 4,371,122,862,505,258.50
  5. Step 5: Solve for x
    x = 4,371,122,862,505,258.50/75,173,555.52
  6. Step 6: Final answer
    x = 58,147,081.54

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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.