Home / 141,871,571.17-212,634,826.26-100,384,400.32

Finding the Fourth Proportional to 141,871,571.17, 212,634,826.26 and 100,384,400.32

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Solution

The fourth proportional to 141,871,571.17, 212,634,826.26 and 100,384,400.32 is: 150,454,522.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,871,571.17 : 212,634,826.26 = 100,384,400.32 : x
  2. Step 2: Convert to fraction form
    141,871,571.17/212,634,826.26 = 100,384,400.32/x
  3. Step 3: Cross multiply
    141,871,571.17x = 212,634,826.26 × 100,384,400.32
  4. Step 4: Simplify right side
    141,871,571.17x = 21,345,219,521,257,484
  5. Step 5: Solve for x
    x = 21,345,219,521,257,484/141,871,571.17
  6. Step 6: Final answer
    x = 150,454,522.67

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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.