Home / 57,915,915,825.32-86,871,509,211.93-20,151,134,815.40

Finding the Fourth Proportional to 57,915,915,825.32, 86,871,509,211.93 and 20,151,134,815.40

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Solution

The fourth proportional to 57,915,915,825.32, 86,871,509,211.93 and 20,151,134,815.40 is: 30,225,879,515.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,915,915,825.32 : 86,871,509,211.93 = 20,151,134,815.40 : x
  2. Step 2: Convert to fraction form
    57,915,915,825.32/86,871,509,211.93 = 20,151,134,815.40/x
  3. Step 3: Cross multiply
    57,915,915,825.32x = 86,871,509,211.93 × 20,151,134,815.40
  4. Step 4: Simplify right side
    57,915,915,825.32x = 1,750,559,493,747,124,994,048
  5. Step 5: Solve for x
    x = 1,750,559,493,747,124,994,048/57,915,915,825.32
  6. Step 6: Final answer
    x = 30,225,879,515.17

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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.