Home / 76,611,217.40-114,916,826.10-47,889,783.80

Finding the Fourth Proportional to 76,611,217.40, 114,916,826.10 and 47,889,783.80

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Solution

The fourth proportional to 76,611,217.40, 114,916,826.10 and 47,889,783.80 is: 71,834,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,611,217.40 : 114,916,826.10 = 47,889,783.80 : x
  2. Step 2: Convert to fraction form
    76,611,217.40/114,916,826.10 = 47,889,783.80/x
  3. Step 3: Cross multiply
    76,611,217.40x = 114,916,826.10 × 47,889,783.80
  4. Step 4: Simplify right side
    76,611,217.40x = 5,503,341,956,911,197
  5. Step 5: Solve for x
    x = 5,503,341,956,911,197/76,611,217.40
  6. Step 6: Final answer
    x = 71,834,675.70

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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.