Home / 127,051,221.33-190,576,167.19-69,127,110.05

Finding the Fourth Proportional to 127,051,221.33, 190,576,167.19 and 69,127,110.05

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Solution

The fourth proportional to 127,051,221.33, 190,576,167.19 and 69,127,110.05 is: 103,690,303.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,051,221.33 : 190,576,167.19 = 69,127,110.05 : x
  2. Step 2: Convert to fraction form
    127,051,221.33/190,576,167.19 = 69,127,110.05/x
  3. Step 3: Cross multiply
    127,051,221.33x = 190,576,167.19 × 69,127,110.05
  4. Step 4: Simplify right side
    127,051,221.33x = 13,173,979,681,124,630
  5. Step 5: Solve for x
    x = 13,173,979,681,124,630/127,051,221.33
  6. Step 6: Final answer
    x = 103,690,303.35

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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.