Home / 51,379,824.64-77,050,535.10-20,664,036.58

Finding the Fourth Proportional to 51,379,824.64, 77,050,535.10 and 20,664,036.58

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Solution

The fourth proportional to 51,379,824.64, 77,050,535.10 and 20,664,036.58 is: 30,988,332.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,379,824.64 : 77,050,535.10 = 20,664,036.58 : x
  2. Step 2: Convert to fraction form
    51,379,824.64/77,050,535.10 = 20,664,036.58/x
  3. Step 3: Cross multiply
    51,379,824.64x = 77,050,535.10 × 20,664,036.58
  4. Step 4: Simplify right side
    51,379,824.64x = 1,592,175,075,814,973.75
  5. Step 5: Solve for x
    x = 1,592,175,075,814,973.75/51,379,824.64
  6. Step 6: Final answer
    x = 30,988,332.23

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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.