Home / 285,130,602.42-393,657,945.39-195,976,060.26

Finding the Fourth Proportional to 285,130,602.42, 393,657,945.39 and 195,976,060.26

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Solution

The fourth proportional to 285,130,602.42, 393,657,945.39 and 195,976,060.26 is: 270,569,109.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,130,602.42 : 393,657,945.39 = 195,976,060.26 : x
  2. Step 2: Convert to fraction form
    285,130,602.42/393,657,945.39 = 195,976,060.26/x
  3. Step 3: Cross multiply
    285,130,602.42x = 393,657,945.39 × 195,976,060.26
  4. Step 4: Simplify right side
    285,130,602.42x = 77,147,533,227,578,416
  5. Step 5: Solve for x
    x = 77,147,533,227,578,416/285,130,602.42
  6. Step 6: Final answer
    x = 270,569,109.64

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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.