Home / 76,004,108.80-114,006,163.20-61,671,385.60

Finding the Fourth Proportional to 76,004,108.80, 114,006,163.20 and 61,671,385.60

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Solution

The fourth proportional to 76,004,108.80, 114,006,163.20 and 61,671,385.60 is: 92,507,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,004,108.80 : 114,006,163.20 = 61,671,385.60 : x
  2. Step 2: Convert to fraction form
    76,004,108.80/114,006,163.20 = 61,671,385.60/x
  3. Step 3: Cross multiply
    76,004,108.80x = 114,006,163.20 × 61,671,385.60
  4. Step 4: Simplify right side
    76,004,108.80x = 7,030,918,051,483,730
  5. Step 5: Solve for x
    x = 7,030,918,051,483,730/76,004,108.80
  6. Step 6: Final answer
    x = 92,507,078.40

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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.