Home / 56,970,975.56-78,620,023.40-30,865,492.62

Finding the Fourth Proportional to 56,970,975.56, 78,620,023.40 and 30,865,492.62

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Solution

The fourth proportional to 56,970,975.56, 78,620,023.40 and 30,865,492.62 is: 42,594,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,970,975.56 : 78,620,023.40 = 30,865,492.62 : x
  2. Step 2: Convert to fraction form
    56,970,975.56/78,620,023.40 = 30,865,492.62/x
  3. Step 3: Cross multiply
    56,970,975.56x = 78,620,023.40 × 30,865,492.62
  4. Step 4: Simplify right side
    56,970,975.56x = 2,426,645,751,882,600
  5. Step 5: Solve for x
    x = 2,426,645,751,882,600/56,970,975.56
  6. Step 6: Final answer
    x = 42,594,421.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.