Home / 193,920,704.10-290,881,056.15-121,361,292.90

Finding the Fourth Proportional to 193,920,704.10, 290,881,056.15 and 121,361,292.90

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Solution

The fourth proportional to 193,920,704.10, 290,881,056.15 and 121,361,292.90 is: 182,041,939.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,920,704.10 : 290,881,056.15 = 121,361,292.90 : x
  2. Step 2: Convert to fraction form
    193,920,704.10/290,881,056.15 = 121,361,292.90/x
  3. Step 3: Cross multiply
    193,920,704.10x = 290,881,056.15 × 121,361,292.90
  4. Step 4: Simplify right side
    193,920,704.10x = 35,301,701,054,481,496
  5. Step 5: Solve for x
    x = 35,301,701,054,481,496/193,920,704.10
  6. Step 6: Final answer
    x = 182,041,939.35

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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.