Home / 85,286,563.89-127,593,244.67-64,596,603.02

Finding the Fourth Proportional to 85,286,563.89, 127,593,244.67 and 64,596,603.02

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Solution

The fourth proportional to 85,286,563.89, 127,593,244.67 and 64,596,603.02 is: 96,639,960.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,286,563.89 : 127,593,244.67 = 64,596,603.02 : x
  2. Step 2: Convert to fraction form
    85,286,563.89/127,593,244.67 = 64,596,603.02/x
  3. Step 3: Cross multiply
    85,286,563.89x = 127,593,244.67 × 64,596,603.02
  4. Step 4: Simplify right side
    85,286,563.89x = 8,242,090,173,020,772
  5. Step 5: Solve for x
    x = 8,242,090,173,020,772/85,286,563.89
  6. Step 6: Final answer
    x = 96,639,960.59

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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.