Home / 75,417,479.40-113,126,219.10-40,980,102.60

Finding the Fourth Proportional to 75,417,479.40, 113,126,219.10 and 40,980,102.60

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Solution

The fourth proportional to 75,417,479.40, 113,126,219.10 and 40,980,102.60 is: 61,470,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,417,479.40 : 113,126,219.10 = 40,980,102.60 : x
  2. Step 2: Convert to fraction form
    75,417,479.40/113,126,219.10 = 40,980,102.60/x
  3. Step 3: Cross multiply
    75,417,479.40x = 113,126,219.10 × 40,980,102.60
  4. Step 4: Simplify right side
    75,417,479.40x = 4,635,924,065,468,080
  5. Step 5: Solve for x
    x = 4,635,924,065,468,080/75,417,479.40
  6. Step 6: Final answer
    x = 61,470,153.90

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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.