Home / 48,612,642.40-72,907,299.60-28,097,999.20

Finding the Fourth Proportional to 48,612,642.40, 72,907,299.60 and 28,097,999.20

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Solution

The fourth proportional to 48,612,642.40, 72,907,299.60 and 28,097,999.20 is: 42,140,257.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,612,642.40 : 72,907,299.60 = 28,097,999.20 : x
  2. Step 2: Convert to fraction form
    48,612,642.40/72,907,299.60 = 28,097,999.20/x
  3. Step 3: Cross multiply
    48,612,642.40x = 72,907,299.60 × 28,097,999.20
  4. Step 4: Simplify right side
    48,612,642.40x = 2,048,549,245,834,960
  5. Step 5: Solve for x
    x = 2,048,549,245,834,960/48,612,642.40
  6. Step 6: Final answer
    x = 42,140,257.03

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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.