Home / 103,347,276.40-155,020,914.60-96,969,984.40

Finding the Fourth Proportional to 103,347,276.40, 155,020,914.60 and 96,969,984.40

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Solution

The fourth proportional to 103,347,276.40, 155,020,914.60 and 96,969,984.40 is: 145,454,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,347,276.40 : 155,020,914.60 = 96,969,984.40 : x
  2. Step 2: Convert to fraction form
    103,347,276.40/155,020,914.60 = 96,969,984.40/x
  3. Step 3: Cross multiply
    103,347,276.40x = 155,020,914.60 × 96,969,984.40
  4. Step 4: Simplify right side
    103,347,276.40x = 15,032,375,670,435,732
  5. Step 5: Solve for x
    x = 15,032,375,670,435,732/103,347,276.40
  6. Step 6: Final answer
    x = 145,454,976.60

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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.