Home / 274,220,528.22-378,424,266.78-156,748,387.48

Finding the Fourth Proportional to 274,220,528.22, 378,424,266.78 and 156,748,387.48

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Solution

The fourth proportional to 274,220,528.22, 378,424,266.78 and 156,748,387.48 is: 216,312,739.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,220,528.22 : 378,424,266.78 = 156,748,387.48 : x
  2. Step 2: Convert to fraction form
    274,220,528.22/378,424,266.78 = 156,748,387.48/x
  3. Step 3: Cross multiply
    274,220,528.22x = 378,424,266.78 × 156,748,387.48
  4. Step 4: Simplify right side
    274,220,528.22x = 59,317,393,599,827,144
  5. Step 5: Solve for x
    x = 59,317,393,599,827,144/274,220,528.22
  6. Step 6: Final answer
    x = 216,312,739.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.