Home / 199,728,223.80-299,592,335.70-139,212,281.40

Finding the Fourth Proportional to 199,728,223.80, 299,592,335.70 and 139,212,281.40

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Solution

The fourth proportional to 199,728,223.80, 299,592,335.70 and 139,212,281.40 is: 208,818,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,728,223.80 : 299,592,335.70 = 139,212,281.40 : x
  2. Step 2: Convert to fraction form
    199,728,223.80/299,592,335.70 = 139,212,281.40/x
  3. Step 3: Cross multiply
    199,728,223.80x = 299,592,335.70 × 139,212,281.40
  4. Step 4: Simplify right side
    199,728,223.80x = 41,706,932,542,751,664
  5. Step 5: Solve for x
    x = 41,706,932,542,751,664/199,728,223.80
  6. Step 6: Final answer
    x = 208,818,422.10

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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.