Home / 193,429,363.20-290,144,044.80-124,554,609.60

Finding the Fourth Proportional to 193,429,363.20, 290,144,044.80 and 124,554,609.60

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Solution

The fourth proportional to 193,429,363.20, 290,144,044.80 and 124,554,609.60 is: 186,831,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,429,363.20 : 290,144,044.80 = 124,554,609.60 : x
  2. Step 2: Convert to fraction form
    193,429,363.20/290,144,044.80 = 124,554,609.60/x
  3. Step 3: Cross multiply
    193,429,363.20x = 290,144,044.80 × 124,554,609.60
  4. Step 4: Simplify right side
    193,429,363.20x = 36,138,778,227,828,912
  5. Step 5: Solve for x
    x = 36,138,778,227,828,912/193,429,363.20
  6. Step 6: Final answer
    x = 186,831,914.40

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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.