Home / 53,154,071.20-79,731,106.80-52,146,301.60

Finding the Fourth Proportional to 53,154,071.20, 79,731,106.80 and 52,146,301.60

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Solution

The fourth proportional to 53,154,071.20, 79,731,106.80 and 52,146,301.60 is: 78,219,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,154,071.20 : 79,731,106.80 = 52,146,301.60 : x
  2. Step 2: Convert to fraction form
    53,154,071.20/79,731,106.80 = 52,146,301.60/x
  3. Step 3: Cross multiply
    53,154,071.20x = 79,731,106.80 × 52,146,301.60
  4. Step 4: Simplify right side
    53,154,071.20x = 4,157,682,342,094,611
  5. Step 5: Solve for x
    x = 4,157,682,342,094,611/53,154,071.20
  6. Step 6: Final answer
    x = 78,219,452.40

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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.