Home / 130,528,049.40-195,792,074.10-122,465,892.60

Finding the Fourth Proportional to 130,528,049.40, 195,792,074.10 and 122,465,892.60

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Solution

The fourth proportional to 130,528,049.40, 195,792,074.10 and 122,465,892.60 is: 183,698,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,528,049.40 : 195,792,074.10 = 122,465,892.60 : x
  2. Step 2: Convert to fraction form
    130,528,049.40/195,792,074.10 = 122,465,892.60/x
  3. Step 3: Cross multiply
    130,528,049.40x = 195,792,074.10 × 122,465,892.60
  4. Step 4: Simplify right side
    130,528,049.40x = 23,977,851,118,661,840
  5. Step 5: Solve for x
    x = 23,977,851,118,661,840/130,528,049.40
  6. Step 6: Final answer
    x = 183,698,838.90

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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.