Home / 85,292,070.44-127,938,001.98-27,784,247.72

Finding the Fourth Proportional to 85,292,070.44, 127,938,001.98 and 27,784,247.72

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Solution

The fourth proportional to 85,292,070.44, 127,938,001.98 and 27,784,247.72 is: 41,676,337.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,292,070.44 : 127,938,001.98 = 27,784,247.72 : x
  2. Step 2: Convert to fraction form
    85,292,070.44/127,938,001.98 = 27,784,247.72/x
  3. Step 3: Cross multiply
    85,292,070.44x = 127,938,001.98 × 27,784,247.72
  4. Step 4: Simplify right side
    85,292,070.44x = 3,554,661,139,814,170.50
  5. Step 5: Solve for x
    x = 3,554,661,139,814,170.50/85,292,070.44
  6. Step 6: Final answer
    x = 41,676,337.81

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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.