Home / 85,708,939,074.87-118,168,538,296.98-70,201,954,664.07

Finding the Fourth Proportional to 85,708,939,074.87, 118,168,538,296.98 and 70,201,954,664.07

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Solution

The fourth proportional to 85,708,939,074.87, 118,168,538,296.98 and 70,201,954,664.07 is: 96,788,765,066.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,708,939,074.87 : 118,168,538,296.98 = 70,201,954,664.07 : x
  2. Step 2: Convert to fraction form
    85,708,939,074.87/118,168,538,296.98 = 70,201,954,664.07/x
  3. Step 3: Cross multiply
    85,708,939,074.87x = 118,168,538,296.98 × 70,201,954,664.07
  4. Step 4: Simplify right side
    85,708,939,074.87x = 8,295,662,368,244,009,795,584
  5. Step 5: Solve for x
    x = 8,295,662,368,244,009,795,584/85,708,939,074.87
  6. Step 6: Final answer
    x = 96,788,765,066.82

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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.