Home / 299,004,071.60-448,506,107.40-80,653,991.60

Finding the Fourth Proportional to 299,004,071.60, 448,506,107.40 and 80,653,991.60

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Solution

The fourth proportional to 299,004,071.60, 448,506,107.40 and 80,653,991.60 is: 120,980,987.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,004,071.60 : 448,506,107.40 = 80,653,991.60 : x
  2. Step 2: Convert to fraction form
    299,004,071.60/448,506,107.40 = 80,653,991.60/x
  3. Step 3: Cross multiply
    299,004,071.60x = 448,506,107.40 × 80,653,991.60
  4. Step 4: Simplify right side
    299,004,071.60x = 36,173,807,818,788,296
  5. Step 5: Solve for x
    x = 36,173,807,818,788,296/299,004,071.60
  6. Step 6: Final answer
    x = 120,980,987.40

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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.