Home / 68,806,756.16-103,225,066.08-20,936,456

Finding the Fourth Proportional to 68,806,756.16, 103,225,066.08 and 20,936,456

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Solution

The fourth proportional to 68,806,756.16, 103,225,066.08 and 20,936,456 is: 31,409,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,806,756.16 : 103,225,066.08 = 20,936,456 : x
  2. Step 2: Convert to fraction form
    68,806,756.16/103,225,066.08 = 20,936,456/x
  3. Step 3: Cross multiply
    68,806,756.16x = 103,225,066.08 × 20,936,456
  4. Step 4: Simplify right side
    68,806,756.16x = 2,161,167,054,081,012.50
  5. Step 5: Solve for x
    x = 2,161,167,054,081,012.50/68,806,756.16
  6. Step 6: Final answer
    x = 31,409,227.45

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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.