Home / 73,953,007.20-110,929,510.80-69,984,914.40

Finding the Fourth Proportional to 73,953,007.20, 110,929,510.80 and 69,984,914.40

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Solution

The fourth proportional to 73,953,007.20, 110,929,510.80 and 69,984,914.40 is: 104,977,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,953,007.20 : 110,929,510.80 = 69,984,914.40 : x
  2. Step 2: Convert to fraction form
    73,953,007.20/110,929,510.80 = 69,984,914.40/x
  3. Step 3: Cross multiply
    73,953,007.20x = 110,929,510.80 × 69,984,914.40
  4. Step 4: Simplify right side
    73,953,007.20x = 7,763,392,317,771,876
  5. Step 5: Solve for x
    x = 7,763,392,317,771,876/73,953,007.20
  6. Step 6: Final answer
    x = 104,977,371.60

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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.