Home / 127,478,567.80-191,501,286.90-122,660,169.40

Finding the Fourth Proportional to 127,478,567.80, 191,501,286.90 and 122,660,169.40

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Solution

The fourth proportional to 127,478,567.80, 191,501,286.90 and 122,660,169.40 is: 184,262,976.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,478,567.80 : 191,501,286.90 = 122,660,169.40 : x
  2. Step 2: Convert to fraction form
    127,478,567.80/191,501,286.90 = 122,660,169.40/x
  3. Step 3: Cross multiply
    127,478,567.80x = 191,501,286.90 × 122,660,169.40
  4. Step 4: Simplify right side
    127,478,567.80x = 23,489,580,291,472,004
  5. Step 5: Solve for x
    x = 23,489,580,291,472,004/127,478,567.80
  6. Step 6: Final answer
    x = 184,262,976.10

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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.