Home / 199,609,140.80-299,091,784.80-113,090,254.40

Finding the Fourth Proportional to 199,609,140.80, 299,091,784.80 and 113,090,254.40

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Solution

The fourth proportional to 199,609,140.80, 299,091,784.80 and 113,090,254.40 is: 169,452,991.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,609,140.80 : 299,091,784.80 = 113,090,254.40 : x
  2. Step 2: Convert to fraction form
    199,609,140.80/299,091,784.80 = 113,090,254.40/x
  3. Step 3: Cross multiply
    199,609,140.80x = 299,091,784.80 × 113,090,254.40
  4. Step 4: Simplify right side
    199,609,140.80x = 33,824,366,031,982,056
  5. Step 5: Solve for x
    x = 33,824,366,031,982,056/199,609,140.80
  6. Step 6: Final answer
    x = 169,452,991.46

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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.