Home / 51,232,611.28-76,848,901.56-19,312,442.32

Finding the Fourth Proportional to 51,232,611.28, 76,848,901.56 and 19,312,442.32

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Solution

The fourth proportional to 51,232,611.28, 76,848,901.56 and 19,312,442.32 is: 28,968,657.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,232,611.28 : 76,848,901.56 = 19,312,442.32 : x
  2. Step 2: Convert to fraction form
    51,232,611.28/76,848,901.56 = 19,312,442.32/x
  3. Step 3: Cross multiply
    51,232,611.28x = 76,848,901.56 × 19,312,442.32
  4. Step 4: Simplify right side
    51,232,611.28x = 1,484,139,978,732,858
  5. Step 5: Solve for x
    x = 1,484,139,978,732,858/51,232,611.28
  6. Step 6: Final answer
    x = 28,968,657.69

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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.