Home / 91,214,388.60-136,630,811.70-42,733,620.60

Finding the Fourth Proportional to 91,214,388.60, 136,630,811.70 and 42,733,620.60

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Solution

The fourth proportional to 91,214,388.60, 136,630,811.70 and 42,733,620.60 is: 64,011,055.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,214,388.60 : 136,630,811.70 = 42,733,620.60 : x
  2. Step 2: Convert to fraction form
    91,214,388.60/136,630,811.70 = 42,733,620.60/x
  3. Step 3: Cross multiply
    91,214,388.60x = 136,630,811.70 × 42,733,620.60
  4. Step 4: Simplify right side
    91,214,388.60x = 5,838,729,269,457,841
  5. Step 5: Solve for x
    x = 5,838,729,269,457,841/91,214,388.60
  6. Step 6: Final answer
    x = 64,011,055.26

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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.