Home / 199,514,531.20-299,271,796.80-188,429,065.60

Finding the Fourth Proportional to 199,514,531.20, 299,271,796.80 and 188,429,065.60

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Solution

The fourth proportional to 199,514,531.20, 299,271,796.80 and 188,429,065.60 is: 282,643,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,514,531.20 : 299,271,796.80 = 188,429,065.60 : x
  2. Step 2: Convert to fraction form
    199,514,531.20/299,271,796.80 = 188,429,065.60/x
  3. Step 3: Cross multiply
    199,514,531.20x = 299,271,796.80 × 188,429,065.60
  4. Step 4: Simplify right side
    199,514,531.20x = 56,391,505,031,457,072
  5. Step 5: Solve for x
    x = 56,391,505,031,457,072/199,514,531.20
  6. Step 6: Final answer
    x = 282,643,598.40

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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.