Home / 123,626,426.82-170,595,929.43-68,617,953.06

Finding the Fourth Proportional to 123,626,426.82, 170,595,929.43 and 68,617,953.06

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Solution

The fourth proportional to 123,626,426.82, 170,595,929.43 and 68,617,953.06 is: 94,688,035.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,626,426.82 : 170,595,929.43 = 68,617,953.06 : x
  2. Step 2: Convert to fraction form
    123,626,426.82/170,595,929.43 = 68,617,953.06/x
  3. Step 3: Cross multiply
    123,626,426.82x = 170,595,929.43 × 68,617,953.06
  4. Step 4: Simplify right side
    123,626,426.82x = 11,705,943,477,854,814
  5. Step 5: Solve for x
    x = 11,705,943,477,854,814/123,626,426.82
  6. Step 6: Final answer
    x = 94,688,035.39

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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.