Home / 199,323,140.40-298,984,710.60-190,713,796.20

Finding the Fourth Proportional to 199,323,140.40, 298,984,710.60 and 190,713,796.20

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Solution

The fourth proportional to 199,323,140.40, 298,984,710.60 and 190,713,796.20 is: 286,070,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,323,140.40 : 298,984,710.60 = 190,713,796.20 : x
  2. Step 2: Convert to fraction form
    199,323,140.40/298,984,710.60 = 190,713,796.20/x
  3. Step 3: Cross multiply
    199,323,140.40x = 298,984,710.60 × 190,713,796.20
  4. Step 4: Simplify right side
    199,323,140.40x = 57,020,509,164,284,384
  5. Step 5: Solve for x
    x = 57,020,509,164,284,384/199,323,140.40
  6. Step 6: Final answer
    x = 286,070,694.30

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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.