Home / 101,971,445,987.04-140,721,032,950.86-55,622,883,277.56

Finding the Fourth Proportional to 101,971,445,987.04, 140,721,032,950.86 and 55,622,883,277.56

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Solution

The fourth proportional to 101,971,445,987.04, 140,721,032,950.86 and 55,622,883,277.56 is: 76,759,817,562.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,971,445,987.04 : 140,721,032,950.86 = 55,622,883,277.56 : x
  2. Step 2: Convert to fraction form
    101,971,445,987.04/140,721,032,950.86 = 55,622,883,277.56/x
  3. Step 3: Cross multiply
    101,971,445,987.04x = 140,721,032,950.86 × 55,622,883,277.56
  4. Step 4: Simplify right side
    101,971,445,987.04x = 7,827,309,590,523,359,002,624
  5. Step 5: Solve for x
    x = 7,827,309,590,523,359,002,624/101,971,445,987.04
  6. Step 6: Final answer
    x = 76,759,817,562.24

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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.