Home / 56,170,987.56-77,515,943.94-30,416,875.56

Finding the Fourth Proportional to 56,170,987.56, 77,515,943.94 and 30,416,875.56

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Solution

The fourth proportional to 56,170,987.56, 77,515,943.94 and 30,416,875.56 is: 41,975,278.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,170,987.56 : 77,515,943.94 = 30,416,875.56 : x
  2. Step 2: Convert to fraction form
    56,170,987.56/77,515,943.94 = 30,416,875.56/x
  3. Step 3: Cross multiply
    56,170,987.56x = 77,515,943.94 × 30,416,875.56
  4. Step 4: Simplify right side
    56,170,987.56x = 2,357,792,820,738,916
  5. Step 5: Solve for x
    x = 2,357,792,820,738,916/56,170,987.56
  6. Step 6: Final answer
    x = 41,975,278.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.