Home / 84,971,835,881.58-117,314,063,253.38-54,089,552,012.78

Finding the Fourth Proportional to 84,971,835,881.58, 117,314,063,253.38 and 54,089,552,012.78

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Solution

The fourth proportional to 84,971,835,881.58, 117,314,063,253.38 and 54,089,552,012.78 is: 74,677,274,656.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,971,835,881.58 : 117,314,063,253.38 = 54,089,552,012.78 : x
  2. Step 2: Convert to fraction form
    84,971,835,881.58/117,314,063,253.38 = 54,089,552,012.78/x
  3. Step 3: Cross multiply
    84,971,835,881.58x = 117,314,063,253.38 × 54,089,552,012.78
  4. Step 4: Simplify right side
    84,971,835,881.58x = 6,345,465,126,173,674,569,728
  5. Step 5: Solve for x
    x = 6,345,465,126,173,674,569,728/84,971,835,881.58
  6. Step 6: Final answer
    x = 74,677,274,656.24

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1.5x scale

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.