Home / 112,206,487.21-168,163,740.58-45,655,356.86

Finding the Fourth Proportional to 112,206,487.21, 168,163,740.58 and 45,655,356.86

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Solution

The fourth proportional to 112,206,487.21, 168,163,740.58 and 45,655,356.86 is: 68,423,633.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,206,487.21 : 168,163,740.58 = 45,655,356.86 : x
  2. Step 2: Convert to fraction form
    112,206,487.21/168,163,740.58 = 45,655,356.86/x
  3. Step 3: Cross multiply
    112,206,487.21x = 168,163,740.58 × 45,655,356.86
  4. Step 4: Simplify right side
    112,206,487.21x = 7,677,575,587,092,364
  5. Step 5: Solve for x
    x = 7,677,575,587,092,364/112,206,487.21
  6. Step 6: Final answer
    x = 68,423,633.77

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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.