Home / 100,602,323.70-150,903,485.55-71,377,005.30

Finding the Fourth Proportional to 100,602,323.70, 150,903,485.55 and 71,377,005.30

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Solution

The fourth proportional to 100,602,323.70, 150,903,485.55 and 71,377,005.30 is: 107,065,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,602,323.70 : 150,903,485.55 = 71,377,005.30 : x
  2. Step 2: Convert to fraction form
    100,602,323.70/150,903,485.55 = 71,377,005.30/x
  3. Step 3: Cross multiply
    100,602,323.70x = 150,903,485.55 × 71,377,005.30
  4. Step 4: Simplify right side
    100,602,323.70x = 10,771,038,887,890,824
  5. Step 5: Solve for x
    x = 10,771,038,887,890,824/100,602,323.70
  6. Step 6: Final answer
    x = 107,065,507.95

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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.