Home / 53,290,787.20-79,829,892.60-37,134,980.80

Finding the Fourth Proportional to 53,290,787.20, 79,829,892.60 and 37,134,980.80

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Solution

The fourth proportional to 53,290,787.20, 79,829,892.60 and 37,134,980.80 is: 55,628,405.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,290,787.20 : 79,829,892.60 = 37,134,980.80 : x
  2. Step 2: Convert to fraction form
    53,290,787.20/79,829,892.60 = 37,134,980.80/x
  3. Step 3: Cross multiply
    53,290,787.20x = 79,829,892.60 × 37,134,980.80
  4. Step 4: Simplify right side
    53,290,787.20x = 2,964,481,528,967,061.50
  5. Step 5: Solve for x
    x = 2,964,481,528,967,061.50/53,290,787.20
  6. Step 6: Final answer
    x = 55,628,405.67

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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.