Home / 42,901,848.70-64,266,610.80-19,840,458.58

Finding the Fourth Proportional to 42,901,848.70, 64,266,610.80 and 19,840,458.58

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Solution

The fourth proportional to 42,901,848.70, 64,266,610.80 and 19,840,458.58 is: 29,720,841.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,901,848.70 : 64,266,610.80 = 19,840,458.58 : x
  2. Step 2: Convert to fraction form
    42,901,848.70/64,266,610.80 = 19,840,458.58/x
  3. Step 3: Cross multiply
    42,901,848.70x = 64,266,610.80 × 19,840,458.58
  4. Step 4: Simplify right side
    42,901,848.70x = 1,275,079,029,654,380.50
  5. Step 5: Solve for x
    x = 1,275,079,029,654,380.50/42,901,848.70
  6. Step 6: Final answer
    x = 29,720,841.14

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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.