Home / 193,536,019.20-290,304,028.80-139,116,460.80

Finding the Fourth Proportional to 193,536,019.20, 290,304,028.80 and 139,116,460.80

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Solution

The fourth proportional to 193,536,019.20, 290,304,028.80 and 139,116,460.80 is: 208,674,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,536,019.20 : 290,304,028.80 = 139,116,460.80 : x
  2. Step 2: Convert to fraction form
    193,536,019.20/290,304,028.80 = 139,116,460.80/x
  3. Step 3: Cross multiply
    193,536,019.20x = 290,304,028.80 × 139,116,460.80
  4. Step 4: Simplify right side
    193,536,019.20x = 40,386,069,042,637,280
  5. Step 5: Solve for x
    x = 40,386,069,042,637,280/193,536,019.20
  6. Step 6: Final answer
    x = 208,674,691.20

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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.