Home / 37,432,116.80-56,166,837.60-21,270,478.40

Finding the Fourth Proportional to 37,432,116.80, 56,166,837.60 and 21,270,478.40

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Solution

The fourth proportional to 37,432,116.80, 56,166,837.60 and 21,270,478.40 is: 31,916,322.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,432,116.80 : 56,166,837.60 = 21,270,478.40 : x
  2. Step 2: Convert to fraction form
    37,432,116.80/56,166,837.60 = 21,270,478.40/x
  3. Step 3: Cross multiply
    37,432,116.80x = 56,166,837.60 × 21,270,478.40
  4. Step 4: Simplify right side
    37,432,116.80x = 1,194,695,505,967,107.75
  5. Step 5: Solve for x
    x = 1,194,695,505,967,107.75/37,432,116.80
  6. Step 6: Final answer
    x = 31,916,322.35

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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.