Home / 75,574,749.80-104,289,799.95-42,085,956.44

Finding the Fourth Proportional to 75,574,749.80, 104,289,799.95 and 42,085,956.44

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Solution

The fourth proportional to 75,574,749.80, 104,289,799.95 and 42,085,956.44 is: 58,076,751.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,574,749.80 : 104,289,799.95 = 42,085,956.44 : x
  2. Step 2: Convert to fraction form
    75,574,749.80/104,289,799.95 = 42,085,956.44/x
  3. Step 3: Cross multiply
    75,574,749.80x = 104,289,799.95 × 42,085,956.44
  4. Step 4: Simplify right side
    75,574,749.80x = 4,389,135,977,310,565.50
  5. Step 5: Solve for x
    x = 4,389,135,977,310,565.50/75,574,749.80
  6. Step 6: Final answer
    x = 58,076,751.68

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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.