Home / 130,435,205.80-195,730,223.10-49,664,338.60

Finding the Fourth Proportional to 130,435,205.80, 195,730,223.10 and 49,664,338.60

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Solution

The fourth proportional to 130,435,205.80, 195,730,223.10 and 49,664,338.60 is: 74,525,984.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,435,205.80 : 195,730,223.10 = 49,664,338.60 : x
  2. Step 2: Convert to fraction form
    130,435,205.80/195,730,223.10 = 49,664,338.60/x
  3. Step 3: Cross multiply
    130,435,205.80x = 195,730,223.10 × 49,664,338.60
  4. Step 4: Simplify right side
    130,435,205.80x = 9,720,812,074,291,942
  5. Step 5: Solve for x
    x = 9,720,812,074,291,942/130,435,205.80
  6. Step 6: Final answer
    x = 74,525,984.11

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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.