Home / 85,042,847.21-127,574,794.33-30,461,288.81

Finding the Fourth Proportional to 85,042,847.21, 127,574,794.33 and 30,461,288.81

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Solution

The fourth proportional to 85,042,847.21, 127,574,794.33 and 30,461,288.81 is: 45,695,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,042,847.21 : 127,574,794.33 = 30,461,288.81 : x
  2. Step 2: Convert to fraction form
    85,042,847.21/127,574,794.33 = 30,461,288.81/x
  3. Step 3: Cross multiply
    85,042,847.21x = 127,574,794.33 × 30,461,288.81
  4. Step 4: Simplify right side
    85,042,847.21x = 3,886,092,654,248,453
  5. Step 5: Solve for x
    x = 3,886,092,654,248,453/85,042,847.21
  6. Step 6: Final answer
    x = 45,695,702.60

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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.