Home / 193,798,294.40-290,432,020.80-157,966,486.40

Finding the Fourth Proportional to 193,798,294.40, 290,432,020.80 and 157,966,486.40

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Solution

The fourth proportional to 193,798,294.40, 290,432,020.80 and 157,966,486.40 is: 236,733,383.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,798,294.40 : 290,432,020.80 = 157,966,486.40 : x
  2. Step 2: Convert to fraction form
    193,798,294.40/290,432,020.80 = 157,966,486.40/x
  3. Step 3: Cross multiply
    193,798,294.40x = 290,432,020.80 × 157,966,486.40
  4. Step 4: Simplify right side
    193,798,294.40x = 45,878,525,863,827,720
  5. Step 5: Solve for x
    x = 45,878,525,863,827,720/193,798,294.40
  6. Step 6: Final answer
    x = 236,733,383.06

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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.