Home / 99,107,120.61-148,507,891.63-53,055,100.76

Finding the Fourth Proportional to 99,107,120.61, 148,507,891.63 and 53,055,100.76

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Solution

The fourth proportional to 99,107,120.61, 148,507,891.63 and 53,055,100.76 is: 79,500,858.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,107,120.61 : 148,507,891.63 = 53,055,100.76 : x
  2. Step 2: Convert to fraction form
    99,107,120.61/148,507,891.63 = 53,055,100.76/x
  3. Step 3: Cross multiply
    99,107,120.61x = 148,507,891.63 × 53,055,100.76
  4. Step 4: Simplify right side
    99,107,120.61x = 7,879,101,153,209,634
  5. Step 5: Solve for x
    x = 7,879,101,153,209,634/99,107,120.61
  6. Step 6: Final answer
    x = 79,500,858.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.