Home / 100,118,963.80-150,178,445.70-93,103,942.60

Finding the Fourth Proportional to 100,118,963.80, 150,178,445.70 and 93,103,942.60

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Solution

The fourth proportional to 100,118,963.80, 150,178,445.70 and 93,103,942.60 is: 139,655,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,118,963.80 : 150,178,445.70 = 93,103,942.60 : x
  2. Step 2: Convert to fraction form
    100,118,963.80/150,178,445.70 = 93,103,942.60/x
  3. Step 3: Cross multiply
    100,118,963.80x = 150,178,445.70 × 93,103,942.60
  4. Step 4: Simplify right side
    100,118,963.80x = 13,982,205,388,210,014
  5. Step 5: Solve for x
    x = 13,982,205,388,210,014/100,118,963.80
  6. Step 6: Final answer
    x = 139,655,913.90

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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.