Home / 299,004,069.60-448,506,104.40-80,653,989.60

Finding the Fourth Proportional to 299,004,069.60, 448,506,104.40 and 80,653,989.60

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Solution

The fourth proportional to 299,004,069.60, 448,506,104.40 and 80,653,989.60 is: 120,980,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,004,069.60 : 448,506,104.40 = 80,653,989.60 : x
  2. Step 2: Convert to fraction form
    299,004,069.60/448,506,104.40 = 80,653,989.60/x
  3. Step 3: Cross multiply
    299,004,069.60x = 448,506,104.40 × 80,653,989.60
  4. Step 4: Simplify right side
    299,004,069.60x = 36,173,806,679,814,112
  5. Step 5: Solve for x
    x = 36,173,806,679,814,112/299,004,069.60
  6. Step 6: Final answer
    x = 120,980,984.40

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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.