Home / 55,404,200.40-83,106,300.60-52,428,130.80

Finding the Fourth Proportional to 55,404,200.40, 83,106,300.60 and 52,428,130.80

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Solution

The fourth proportional to 55,404,200.40, 83,106,300.60 and 52,428,130.80 is: 78,642,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,404,200.40 : 83,106,300.60 = 52,428,130.80 : x
  2. Step 2: Convert to fraction form
    55,404,200.40/83,106,300.60 = 52,428,130.80/x
  3. Step 3: Cross multiply
    55,404,200.40x = 83,106,300.60 × 52,428,130.80
  4. Step 4: Simplify right side
    55,404,200.40x = 4,357,107,998,160,918
  5. Step 5: Solve for x
    x = 4,357,107,998,160,918/55,404,200.40
  6. Step 6: Final answer
    x = 78,642,196.20

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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.