Home / 85,339,828.68-117,756,295.02-51,831,870.84

Finding the Fourth Proportional to 85,339,828.68, 117,756,295.02 and 51,831,870.84

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Solution

The fourth proportional to 85,339,828.68, 117,756,295.02 and 51,831,870.84 is: 71,520,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,339,828.68 : 117,756,295.02 = 51,831,870.84 : x
  2. Step 2: Convert to fraction form
    85,339,828.68/117,756,295.02 = 51,831,870.84/x
  3. Step 3: Cross multiply
    85,339,828.68x = 117,756,295.02 × 51,831,870.84
  4. Step 4: Simplify right side
    85,339,828.68x = 6,103,529,074,073,575
  5. Step 5: Solve for x
    x = 6,103,529,074,073,575/85,339,828.68
  6. Step 6: Final answer
    x = 71,520,287.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.