Home / 57,915,915,826.32-86,871,509,213.43-20,151,134,816.40

Finding the Fourth Proportional to 57,915,915,826.32, 86,871,509,213.43 and 20,151,134,816.40

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Solution

The fourth proportional to 57,915,915,826.32, 86,871,509,213.43 and 20,151,134,816.40 is: 30,225,879,516.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,915,915,826.32 : 86,871,509,213.43 = 20,151,134,816.40 : x
  2. Step 2: Convert to fraction form
    57,915,915,826.32/86,871,509,213.43 = 20,151,134,816.40/x
  3. Step 3: Cross multiply
    57,915,915,826.32x = 86,871,509,213.43 × 20,151,134,816.40
  4. Step 4: Simplify right side
    57,915,915,826.32x = 1,750,559,493,863,962,574,848
  5. Step 5: Solve for x
    x = 1,750,559,493,863,962,574,848/57,915,915,826.32
  6. Step 6: Final answer
    x = 30,225,879,516.67

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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.