Home / 221,566,533.42-305,762,764.77-121,097,000.01

Finding the Fourth Proportional to 221,566,533.42, 305,762,764.77 and 121,097,000.01

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Solution

The fourth proportional to 221,566,533.42, 305,762,764.77 and 121,097,000.01 is: 167,114,378.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,566,533.42 : 305,762,764.77 = 121,097,000.01 : x
  2. Step 2: Convert to fraction form
    221,566,533.42/305,762,764.77 = 121,097,000.01/x
  3. Step 3: Cross multiply
    221,566,533.42x = 305,762,764.77 × 121,097,000.01
  4. Step 4: Simplify right side
    221,566,533.42x = 37,026,953,528,410,320
  5. Step 5: Solve for x
    x = 37,026,953,528,410,320/221,566,533.42
  6. Step 6: Final answer
    x = 167,114,378.50

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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.