Home / 57,931,817.20-86,897,725.80-31,057,961.20

Finding the Fourth Proportional to 57,931,817.20, 86,897,725.80 and 31,057,961.20

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Solution

The fourth proportional to 57,931,817.20, 86,897,725.80 and 31,057,961.20 is: 46,586,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,931,817.20 : 86,897,725.80 = 31,057,961.20 : x
  2. Step 2: Convert to fraction form
    57,931,817.20/86,897,725.80 = 31,057,961.20/x
  3. Step 3: Cross multiply
    57,931,817.20x = 86,897,725.80 × 31,057,961.20
  4. Step 4: Simplify right side
    57,931,817.20x = 2,698,866,196,264,639
  5. Step 5: Solve for x
    x = 2,698,866,196,264,639/57,931,817.20
  6. Step 6: Final answer
    x = 46,586,941.80

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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.