Home / 286,729,938.42-430,097,396.69-92,641,374.33

Finding the Fourth Proportional to 286,729,938.42, 430,097,396.69 and 92,641,374.33

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Solution

The fourth proportional to 286,729,938.42, 430,097,396.69 and 92,641,374.33 is: 138,962,865.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,729,938.42 : 430,097,396.69 = 92,641,374.33 : x
  2. Step 2: Convert to fraction form
    286,729,938.42/430,097,396.69 = 92,641,374.33/x
  3. Step 3: Cross multiply
    286,729,938.42x = 430,097,396.69 × 92,641,374.33
  4. Step 4: Simplify right side
    286,729,938.42x = 39,844,813,925,116,792
  5. Step 5: Solve for x
    x = 39,844,813,925,116,792/286,729,938.42
  6. Step 6: Final answer
    x = 138,962,865.70

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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.