Home / 123,626,428.32-170,595,931.50-68,617,954.56

Finding the Fourth Proportional to 123,626,428.32, 170,595,931.50 and 68,617,954.56

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Solution

The fourth proportional to 123,626,428.32, 170,595,931.50 and 68,617,954.56 is: 94,688,037.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,626,428.32 : 170,595,931.50 = 68,617,954.56 : x
  2. Step 2: Convert to fraction form
    123,626,428.32/170,595,931.50 = 68,617,954.56/x
  3. Step 3: Cross multiply
    123,626,428.32x = 170,595,931.50 × 68,617,954.56
  4. Step 4: Simplify right side
    123,626,428.32x = 11,705,943,875,787,874
  5. Step 5: Solve for x
    x = 11,705,943,875,787,874/123,626,428.32
  6. Step 6: Final answer
    x = 94,688,037.46

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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.