Home / 45,133,669.80-67,700,504.70-28,977,863.40

Finding the Fourth Proportional to 45,133,669.80, 67,700,504.70 and 28,977,863.40

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Solution

The fourth proportional to 45,133,669.80, 67,700,504.70 and 28,977,863.40 is: 43,466,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,133,669.80 : 67,700,504.70 = 28,977,863.40 : x
  2. Step 2: Convert to fraction form
    45,133,669.80/67,700,504.70 = 28,977,863.40/x
  3. Step 3: Cross multiply
    45,133,669.80x = 67,700,504.70 × 28,977,863.40
  4. Step 4: Simplify right side
    45,133,669.80x = 1,961,815,977,307,658
  5. Step 5: Solve for x
    x = 1,961,815,977,307,658/45,133,669.80
  6. Step 6: Final answer
    x = 43,466,795.10

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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.