Home / 85,004,583.30-127,506,874.95-31,144,896.90

Finding the Fourth Proportional to 85,004,583.30, 127,506,874.95 and 31,144,896.90

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Solution

The fourth proportional to 85,004,583.30, 127,506,874.95 and 31,144,896.90 is: 46,717,345.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,004,583.30 : 127,506,874.95 = 31,144,896.90 : x
  2. Step 2: Convert to fraction form
    85,004,583.30/127,506,874.95 = 31,144,896.90/x
  3. Step 3: Cross multiply
    85,004,583.30x = 127,506,874.95 × 31,144,896.90
  4. Step 4: Simplify right side
    85,004,583.30x = 3,971,188,474,358,942.50
  5. Step 5: Solve for x
    x = 3,971,188,474,358,942.50/85,004,583.30
  6. Step 6: Final answer
    x = 46,717,345.35

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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.