Home / 66,042,245.40-98,867,412.90-49,078,123.80

Finding the Fourth Proportional to 66,042,245.40, 98,867,412.90 and 49,078,123.80

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Solution

The fourth proportional to 66,042,245.40, 98,867,412.90 and 49,078,123.80 is: 73,471,565.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,042,245.40 : 98,867,412.90 = 49,078,123.80 : x
  2. Step 2: Convert to fraction form
    66,042,245.40/98,867,412.90 = 49,078,123.80/x
  3. Step 3: Cross multiply
    66,042,245.40x = 98,867,412.90 × 49,078,123.80
  4. Step 4: Simplify right side
    66,042,245.40x = 4,852,227,130,091,917
  5. Step 5: Solve for x
    x = 4,852,227,130,091,917/66,042,245.40
  6. Step 6: Final answer
    x = 73,471,565.07

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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.