Home / 101,817,208.04-140,507,215.72-55,407,794.18

Finding the Fourth Proportional to 101,817,208.04, 140,507,215.72 and 55,407,794.18

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Solution

The fourth proportional to 101,817,208.04, 140,507,215.72 and 55,407,794.18 is: 76,462,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,817,208.04 : 140,507,215.72 = 55,407,794.18 : x
  2. Step 2: Convert to fraction form
    101,817,208.04/140,507,215.72 = 55,407,794.18/x
  3. Step 3: Cross multiply
    101,817,208.04x = 140,507,215.72 × 55,407,794.18
  4. Step 4: Simplify right side
    101,817,208.04x = 7,785,194,888,577,565
  5. Step 5: Solve for x
    x = 7,785,194,888,577,565/101,817,208.04
  6. Step 6: Final answer
    x = 76,462,466.80

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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.