Home / 56,926,807.56-78,559,040.70-30,821,343.48

Finding the Fourth Proportional to 56,926,807.56, 78,559,040.70 and 30,821,343.48

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Solution

The fourth proportional to 56,926,807.56, 78,559,040.70 and 30,821,343.48 is: 42,533,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,926,807.56 : 78,559,040.70 = 30,821,343.48 : x
  2. Step 2: Convert to fraction form
    56,926,807.56/78,559,040.70 = 30,821,343.48/x
  3. Step 3: Cross multiply
    56,926,807.56x = 78,559,040.70 × 30,821,343.48
  4. Step 4: Simplify right side
    56,926,807.56x = 2,421,295,176,874,000
  5. Step 5: Solve for x
    x = 2,421,295,176,874,000/56,926,807.56
  6. Step 6: Final answer
    x = 42,533,479.05

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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.