Home / 20,421,680,810.09-30,591,497,056.64-10,168,922,785.94

Finding the Fourth Proportional to 20,421,680,810.09, 30,591,497,056.64 and 10,168,922,785.94

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Solution

The fourth proportional to 20,421,680,810.09, 30,591,497,056.64 and 10,168,922,785.94 is: 15,232,956,306.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,421,680,810.09 : 30,591,497,056.64 = 10,168,922,785.94 : x
  2. Step 2: Convert to fraction form
    20,421,680,810.09/30,591,497,056.64 = 10,168,922,785.94/x
  3. Step 3: Cross multiply
    20,421,680,810.09x = 30,591,497,056.64 × 10,168,922,785.94
  4. Step 4: Simplify right side
    20,421,680,810.09x = 311,082,571,475,079,135,232
  5. Step 5: Solve for x
    x = 311,082,571,475,079,135,232/20,421,680,810.09
  6. Step 6: Final answer
    x = 15,232,956,306.00

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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.