Home / 85,360,619.53-128,064,903.66-34,278,510.61

Finding the Fourth Proportional to 85,360,619.53, 128,064,903.66 and 34,278,510.61

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Solution

The fourth proportional to 85,360,619.53, 128,064,903.66 and 34,278,510.61 is: 51,427,393.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,360,619.53 : 128,064,903.66 = 34,278,510.61 : x
  2. Step 2: Convert to fraction form
    85,360,619.53/128,064,903.66 = 34,278,510.61/x
  3. Step 3: Cross multiply
    85,360,619.53x = 128,064,903.66 × 34,278,510.61
  4. Step 4: Simplify right side
    85,360,619.53x = 4,389,874,158,877,937.50
  5. Step 5: Solve for x
    x = 4,389,874,158,877,937.50/85,360,619.53
  6. Step 6: Final answer
    x = 51,427,393.37

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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.