Home / 64,130,818.45-88,574,078.87-42,202,213.68

Finding the Fourth Proportional to 64,130,818.45, 88,574,078.87 and 42,202,213.68

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Solution

The fourth proportional to 64,130,818.45, 88,574,078.87 and 42,202,213.68 is: 58,287,455.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,130,818.45 : 88,574,078.87 = 42,202,213.68 : x
  2. Step 2: Convert to fraction form
    64,130,818.45/88,574,078.87 = 42,202,213.68/x
  3. Step 3: Cross multiply
    64,130,818.45x = 88,574,078.87 × 42,202,213.68
  4. Step 4: Simplify right side
    64,130,818.45x = 3,738,022,203,378,902
  5. Step 5: Solve for x
    x = 3,738,022,203,378,902/64,130,818.45
  6. Step 6: Final answer
    x = 58,287,455.14

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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.