Home / 85,905,558.69-118,549,690.33-47,274,390.69

Finding the Fourth Proportional to 85,905,558.69, 118,549,690.33 and 47,274,390.69

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Solution

The fourth proportional to 85,905,558.69, 118,549,690.33 and 47,274,390.69 is: 65,238,669.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,905,558.69 : 118,549,690.33 = 47,274,390.69 : x
  2. Step 2: Convert to fraction form
    85,905,558.69/118,549,690.33 = 47,274,390.69/x
  3. Step 3: Cross multiply
    85,905,558.69x = 118,549,690.33 × 47,274,390.69
  4. Step 4: Simplify right side
    85,905,558.69x = 5,604,364,376,838,935
  5. Step 5: Solve for x
    x = 5,604,364,376,838,935/85,905,558.69
  6. Step 6: Final answer
    x = 65,238,669.79

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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.