Home / 131,349,968.60-197,043,615.30-40,464,080.60

Finding the Fourth Proportional to 131,349,968.60, 197,043,615.30 and 40,464,080.60

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Solution

The fourth proportional to 131,349,968.60, 197,043,615.30 and 40,464,080.60 is: 60,701,870.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,349,968.60 : 197,043,615.30 = 40,464,080.60 : x
  2. Step 2: Convert to fraction form
    131,349,968.60/197,043,615.30 = 40,464,080.60/x
  3. Step 3: Cross multiply
    131,349,968.60x = 197,043,615.30 × 40,464,080.60
  4. Step 4: Simplify right side
    131,349,968.60x = 7,973,188,731,214,594
  5. Step 5: Solve for x
    x = 7,973,188,731,214,594/131,349,968.60
  6. Step 6: Final answer
    x = 60,701,870.10

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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.