Home / 259,008,045.60-388,512,068.40-130,013,536.80

Finding the Fourth Proportional to 259,008,045.60, 388,512,068.40 and 130,013,536.80

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Solution

The fourth proportional to 259,008,045.60, 388,512,068.40 and 130,013,536.80 is: 195,020,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,008,045.60 : 388,512,068.40 = 130,013,536.80 : x
  2. Step 2: Convert to fraction form
    259,008,045.60/388,512,068.40 = 130,013,536.80/x
  3. Step 3: Cross multiply
    259,008,045.60x = 388,512,068.40 × 130,013,536.80
  4. Step 4: Simplify right side
    259,008,045.60x = 50,511,828,102,167,512
  5. Step 5: Solve for x
    x = 50,511,828,102,167,512/259,008,045.60
  6. Step 6: Final answer
    x = 195,020,305.20

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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.