Home / 77,938,190,920.05-107,554,699,076.71-42,295,505,932.05

Finding the Fourth Proportional to 77,938,190,920.05, 107,554,699,076.71 and 42,295,505,932.05

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Solution

The fourth proportional to 77,938,190,920.05, 107,554,699,076.71 and 42,295,505,932.05 is: 58,367,795,802.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,938,190,920.05 : 107,554,699,076.71 = 42,295,505,932.05 : x
  2. Step 2: Convert to fraction form
    77,938,190,920.05/107,554,699,076.71 = 42,295,505,932.05/x
  3. Step 3: Cross multiply
    77,938,190,920.05x = 107,554,699,076.71 × 42,295,505,932.05
  4. Step 4: Simplify right side
    77,938,190,920.05x = 4,549,080,412,818,841,272,320
  5. Step 5: Solve for x
    x = 4,549,080,412,818,841,272,320/77,938,190,920.05
  6. Step 6: Final answer
    x = 58,367,795,802.26

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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.