Home / 68,295,748,405.98-102,448,789,255.53-21,136,992,033.18

Finding the Fourth Proportional to 68,295,748,405.98, 102,448,789,255.53 and 21,136,992,033.18

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Solution

The fourth proportional to 68,295,748,405.98, 102,448,789,255.53 and 21,136,992,033.18 is: 31,707,087,085.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,295,748,405.98 : 102,448,789,255.53 = 21,136,992,033.18 : x
  2. Step 2: Convert to fraction form
    68,295,748,405.98/102,448,789,255.53 = 21,136,992,033.18/x
  3. Step 3: Cross multiply
    68,295,748,405.98x = 102,448,789,255.53 × 21,136,992,033.18
  4. Step 4: Simplify right side
    68,295,748,405.98x = 2,165,459,242,303,074,336,768
  5. Step 5: Solve for x
    x = 2,165,459,242,303,074,336,768/68,295,748,405.98
  6. Step 6: Final answer
    x = 31,707,087,085.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.