Home / 68,011,195.33-102,031,284.57-21,955,681.81

Finding the Fourth Proportional to 68,011,195.33, 102,031,284.57 and 21,955,681.81

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Solution

The fourth proportional to 68,011,195.33, 102,031,284.57 and 21,955,681.81 is: 32,938,200.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,011,195.33 : 102,031,284.57 = 21,955,681.81 : x
  2. Step 2: Convert to fraction form
    68,011,195.33/102,031,284.57 = 21,955,681.81/x
  3. Step 3: Cross multiply
    68,011,195.33x = 102,031,284.57 × 21,955,681.81
  4. Step 4: Simplify right side
    68,011,195.33x = 2,240,166,418,684,482.50
  5. Step 5: Solve for x
    x = 2,240,166,418,684,482.50/68,011,195.33
  6. Step 6: Final answer
    x = 32,938,200.95

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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.