Home / 68,832,047.70-103,123,655.55-40,054,626.90

Finding the Fourth Proportional to 68,832,047.70, 103,123,655.55 and 40,054,626.90

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Solution

The fourth proportional to 68,832,047.70, 103,123,655.55 and 40,054,626.90 is: 60,009,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,832,047.70 : 103,123,655.55 = 40,054,626.90 : x
  2. Step 2: Convert to fraction form
    68,832,047.70/103,123,655.55 = 40,054,626.90/x
  3. Step 3: Cross multiply
    68,832,047.70x = 103,123,655.55 × 40,054,626.90
  4. Step 4: Simplify right side
    68,832,047.70x = 4,130,579,547,619,364
  5. Step 5: Solve for x
    x = 4,130,579,547,619,364/68,832,047.70
  6. Step 6: Final answer
    x = 60,009,540.41

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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.