Home / 81,549,488.14-122,263,133.48-49,193,848.60

Finding the Fourth Proportional to 81,549,488.14, 122,263,133.48 and 49,193,848.60

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Solution

The fourth proportional to 81,549,488.14, 122,263,133.48 and 49,193,848.60 is: 73,753,915.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,549,488.14 : 122,263,133.48 = 49,193,848.60 : x
  2. Step 2: Convert to fraction form
    81,549,488.14/122,263,133.48 = 49,193,848.60/x
  3. Step 3: Cross multiply
    81,549,488.14x = 122,263,133.48 × 49,193,848.60
  4. Step 4: Simplify right side
    81,549,488.14x = 6,014,594,077,776,712
  5. Step 5: Solve for x
    x = 6,014,594,077,776,712/81,549,488.14
  6. Step 6: Final answer
    x = 73,753,915.75

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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.