Home / 268,091,148.61-402,140,734.26-102,103,820.53

Finding the Fourth Proportional to 268,091,148.61, 402,140,734.26 and 102,103,820.53

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Solution

The fourth proportional to 268,091,148.61, 402,140,734.26 and 102,103,820.53 is: 153,157,258.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,091,148.61 : 402,140,734.26 = 102,103,820.53 : x
  2. Step 2: Convert to fraction form
    268,091,148.61/402,140,734.26 = 102,103,820.53/x
  3. Step 3: Cross multiply
    268,091,148.61x = 402,140,734.26 × 102,103,820.53
  4. Step 4: Simplify right side
    268,091,148.61x = 41,060,105,358,685,464
  5. Step 5: Solve for x
    x = 41,060,105,358,685,464/268,091,148.61
  6. Step 6: Final answer
    x = 153,157,258.54

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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.