Home / 86,994,579.86-120,048,410.04-47,838,006.98

Finding the Fourth Proportional to 86,994,579.86, 120,048,410.04 and 47,838,006.98

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Solution

The fourth proportional to 86,994,579.86, 120,048,410.04 and 47,838,006.98 is: 66,014,189.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,994,579.86 : 120,048,410.04 = 47,838,006.98 : x
  2. Step 2: Convert to fraction form
    86,994,579.86/120,048,410.04 = 47,838,006.98/x
  3. Step 3: Cross multiply
    86,994,579.86x = 120,048,410.04 × 47,838,006.98
  4. Step 4: Simplify right side
    86,994,579.86x = 5,742,876,677,431,422
  5. Step 5: Solve for x
    x = 5,742,876,677,431,422/86,994,579.86
  6. Step 6: Final answer
    x = 66,014,189.47

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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.