Home / 51,105,805.40-76,658,708.10-36,698,432.60

Finding the Fourth Proportional to 51,105,805.40, 76,658,708.10 and 36,698,432.60

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Solution

The fourth proportional to 51,105,805.40, 76,658,708.10 and 36,698,432.60 is: 55,047,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,105,805.40 : 76,658,708.10 = 36,698,432.60 : x
  2. Step 2: Convert to fraction form
    51,105,805.40/76,658,708.10 = 36,698,432.60/x
  3. Step 3: Cross multiply
    51,105,805.40x = 76,658,708.10 × 36,698,432.60
  4. Step 4: Simplify right side
    51,105,805.40x = 2,813,254,432,410,924
  5. Step 5: Solve for x
    x = 2,813,254,432,410,924/51,105,805.40
  6. Step 6: Final answer
    x = 55,047,648.90

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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.