Home / 85,735,698.66-118,317,688.56-48,565,967.79

Finding the Fourth Proportional to 85,735,698.66, 118,317,688.56 and 48,565,967.79

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Solution

The fourth proportional to 85,735,698.66, 118,317,688.56 and 48,565,967.79 is: 67,022,408.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,735,698.66 : 118,317,688.56 = 48,565,967.79 : x
  2. Step 2: Convert to fraction form
    85,735,698.66/118,317,688.56 = 48,565,967.79/x
  3. Step 3: Cross multiply
    85,735,698.66x = 118,317,688.56 × 48,565,967.79
  4. Step 4: Simplify right side
    85,735,698.66x = 5,746,213,051,592,211
  5. Step 5: Solve for x
    x = 5,746,213,051,592,211/85,735,698.66
  6. Step 6: Final answer
    x = 67,022,408.88

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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.