Home / 158,476,635,722.66-218,699,491,427.34-86,219,111,354.18

Finding the Fourth Proportional to 158,476,635,722.66, 218,699,491,427.34 and 86,219,111,354.18

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Solution

The fourth proportional to 158,476,635,722.66, 218,699,491,427.34 and 86,219,111,354.18 is: 118,983,317,121.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,476,635,722.66 : 218,699,491,427.34 = 86,219,111,354.18 : x
  2. Step 2: Convert to fraction form
    158,476,635,722.66/218,699,491,427.34 = 86,219,111,354.18/x
  3. Step 3: Cross multiply
    158,476,635,722.66x = 218,699,491,427.34 × 86,219,111,354.18
  4. Step 4: Simplify right side
    158,476,635,722.66x = 18,856,075,804,476,360,884,224
  5. Step 5: Solve for x
    x = 18,856,075,804,476,360,884,224/158,476,635,722.66
  6. Step 6: Final answer
    x = 118,983,317,121.11

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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.