Home / 193,558,476.40-290,337,714.60-72,364,850.80

Finding the Fourth Proportional to 193,558,476.40, 290,337,714.60 and 72,364,850.80

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Solution

The fourth proportional to 193,558,476.40, 290,337,714.60 and 72,364,850.80 is: 108,547,276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,558,476.40 : 290,337,714.60 = 72,364,850.80 : x
  2. Step 2: Convert to fraction form
    193,558,476.40/290,337,714.60 = 72,364,850.80/x
  3. Step 3: Cross multiply
    193,558,476.40x = 290,337,714.60 × 72,364,850.80
  4. Step 4: Simplify right side
    193,558,476.40x = 21,010,245,398,641,984
  5. Step 5: Solve for x
    x = 21,010,245,398,641,984/193,558,476.40
  6. Step 6: Final answer
    x = 108,547,276.20

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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.