Home / 154,248,415.58-212,866,730.01-84,633,778.01

Finding the Fourth Proportional to 154,248,415.58, 212,866,730.01 and 84,633,778.01

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Solution

The fourth proportional to 154,248,415.58, 212,866,730.01 and 84,633,778.01 is: 116,796,762.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,248,415.58 : 212,866,730.01 = 84,633,778.01 : x
  2. Step 2: Convert to fraction form
    154,248,415.58/212,866,730.01 = 84,633,778.01/x
  3. Step 3: Cross multiply
    154,248,415.58x = 212,866,730.01 × 84,633,778.01
  4. Step 4: Simplify right side
    154,248,415.58x = 18,015,715,573,913,112
  5. Step 5: Solve for x
    x = 18,015,715,573,913,112/154,248,415.58
  6. Step 6: Final answer
    x = 116,796,762.59

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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.