Home / 54,573,387,485.94-81,786,909,252.87-42,473,190,609.51

Finding the Fourth Proportional to 54,573,387,485.94, 81,786,909,252.87 and 42,473,190,609.51

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Solution

The fourth proportional to 54,573,387,485.94, 81,786,909,252.87 and 42,473,190,609.51 is: 63,652,837,877.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,573,387,485.94 : 81,786,909,252.87 = 42,473,190,609.51 : x
  2. Step 2: Convert to fraction form
    54,573,387,485.94/81,786,909,252.87 = 42,473,190,609.51/x
  3. Step 3: Cross multiply
    54,573,387,485.94x = 81,786,909,252.87 × 42,473,190,609.51
  4. Step 4: Simplify right side
    54,573,387,485.94x = 3,473,750,986,059,844,419,584
  5. Step 5: Solve for x
    x = 3,473,750,986,059,844,419,584/54,573,387,485.94
  6. Step 6: Final answer
    x = 63,652,837,877.34

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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.