Home / 199,362,308.80-298,446,266.40-118,541,675.20

Finding the Fourth Proportional to 199,362,308.80, 298,446,266.40 and 118,541,675.20

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Solution

The fourth proportional to 199,362,308.80, 298,446,266.40 and 118,541,675.20 is: 177,457,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,362,308.80 : 298,446,266.40 = 118,541,675.20 : x
  2. Step 2: Convert to fraction form
    199,362,308.80/298,446,266.40 = 118,541,675.20/x
  3. Step 3: Cross multiply
    199,362,308.80x = 298,446,266.40 × 118,541,675.20
  4. Step 4: Simplify right side
    199,362,308.80x = 35,378,320,376,241,472
  5. Step 5: Solve for x
    x = 35,378,320,376,241,472/199,362,308.80
  6. Step 6: Final answer
    x = 177,457,417.05

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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.