Home / 132,028,862.40-198,114,152.40-55,359,640.80

Finding the Fourth Proportional to 132,028,862.40, 198,114,152.40 and 55,359,640.80

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Solution

The fourth proportional to 132,028,862.40, 198,114,152.40 and 55,359,640.80 is: 83,069,172.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,028,862.40 : 198,114,152.40 = 55,359,640.80 : x
  2. Step 2: Convert to fraction form
    132,028,862.40/198,114,152.40 = 55,359,640.80/x
  3. Step 3: Cross multiply
    132,028,862.40x = 198,114,152.40 × 55,359,640.80
  4. Step 4: Simplify right side
    132,028,862.40x = 10,967,528,314,260,458
  5. Step 5: Solve for x
    x = 10,967,528,314,260,458/132,028,862.40
  6. Step 6: Final answer
    x = 83,069,172.26

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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.