Home / 75,222,620.40-103,763,235.60-47,301,140.40

Finding the Fourth Proportional to 75,222,620.40, 103,763,235.60 and 47,301,140.40

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Solution

The fourth proportional to 75,222,620.40, 103,763,235.60 and 47,301,140.40 is: 65,247,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,222,620.40 : 103,763,235.60 = 47,301,140.40 : x
  2. Step 2: Convert to fraction form
    75,222,620.40/103,763,235.60 = 47,301,140.40/x
  3. Step 3: Cross multiply
    75,222,620.40x = 103,763,235.60 × 47,301,140.40
  4. Step 4: Simplify right side
    75,222,620.40x = 4,908,119,375,473,878
  5. Step 5: Solve for x
    x = 4,908,119,375,473,878/75,222,620.40
  6. Step 6: Final answer
    x = 65,247,918.10

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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.