Home / 101,573,058.04-140,171,643.80-55,163,644.18

Finding the Fourth Proportional to 101,573,058.04, 140,171,643.80 and 55,163,644.18

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Solution

The fourth proportional to 101,573,058.04, 140,171,643.80 and 55,163,644.18 is: 76,126,276.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,573,058.04 : 140,171,643.80 = 55,163,644.18 : x
  2. Step 2: Convert to fraction form
    101,573,058.04/140,171,643.80 = 55,163,644.18/x
  3. Step 3: Cross multiply
    101,573,058.04x = 140,171,643.80 × 55,163,644.18
  4. Step 4: Simplify right side
    101,573,058.04x = 7,732,378,682,708,904
  5. Step 5: Solve for x
    x = 7,732,378,682,708,904/101,573,058.04
  6. Step 6: Final answer
    x = 76,126,276.32

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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.