Home / 85,136,177.60-127,704,266.40-31,322,110.40

Finding the Fourth Proportional to 85,136,177.60, 127,704,266.40 and 31,322,110.40

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Solution

The fourth proportional to 85,136,177.60, 127,704,266.40 and 31,322,110.40 is: 46,983,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,136,177.60 : 127,704,266.40 = 31,322,110.40 : x
  2. Step 2: Convert to fraction form
    85,136,177.60/127,704,266.40 = 31,322,110.40/x
  3. Step 3: Cross multiply
    85,136,177.60x = 127,704,266.40 × 31,322,110.40
  4. Step 4: Simplify right side
    85,136,177.60x = 3,999,967,130,731,810.50
  5. Step 5: Solve for x
    x = 3,999,967,130,731,810.50/85,136,177.60
  6. Step 6: Final answer
    x = 46,983,165.60

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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.