Home / 112,206,485.21-168,163,737.59-45,655,354.86

Finding the Fourth Proportional to 112,206,485.21, 168,163,737.59 and 45,655,354.86

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Solution

The fourth proportional to 112,206,485.21, 168,163,737.59 and 45,655,354.86 is: 68,423,630.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,206,485.21 : 168,163,737.59 = 45,655,354.86 : x
  2. Step 2: Convert to fraction form
    112,206,485.21/168,163,737.59 = 45,655,354.86/x
  3. Step 3: Cross multiply
    112,206,485.21x = 168,163,737.59 × 45,655,354.86
  4. Step 4: Simplify right side
    112,206,485.21x = 7,677,575,114,027,095
  5. Step 5: Solve for x
    x = 7,677,575,114,027,095/112,206,485.21
  6. Step 6: Final answer
    x = 68,423,630.77

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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.