Home / 392,896,270.08-589,404,942.72-134,051,155.20

Finding the Fourth Proportional to 392,896,270.08, 589,404,942.72 and 134,051,155.20

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Solution

The fourth proportional to 392,896,270.08, 589,404,942.72 and 134,051,155.20 is: 201,097,387.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,896,270.08 : 589,404,942.72 = 134,051,155.20 : x
  2. Step 2: Convert to fraction form
    392,896,270.08/589,404,942.72 = 134,051,155.20/x
  3. Step 3: Cross multiply
    392,896,270.08x = 589,404,942.72 × 134,051,155.20
  4. Step 4: Simplify right side
    392,896,270.08x = 79,010,413,452,205,840
  5. Step 5: Solve for x
    x = 79,010,413,452,205,840/392,896,270.08
  6. Step 6: Final answer
    x = 201,097,387.45

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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.