Home / 85,445,931.60-128,172,396.60-24,861,657.60

Finding the Fourth Proportional to 85,445,931.60, 128,172,396.60 and 24,861,657.60

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Solution

The fourth proportional to 85,445,931.60, 128,172,396.60 and 24,861,657.60 is: 37,293,504.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,445,931.60 : 128,172,396.60 = 24,861,657.60 : x
  2. Step 2: Convert to fraction form
    85,445,931.60/128,172,396.60 = 24,861,657.60/x
  3. Step 3: Cross multiply
    85,445,931.60x = 128,172,396.60 × 24,861,657.60
  4. Step 4: Simplify right side
    85,445,931.60x = 3,186,578,238,040,604
  5. Step 5: Solve for x
    x = 3,186,578,238,040,604/85,445,931.60
  6. Step 6: Final answer
    x = 37,293,504.54

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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.