Home / 53,141,720.20-79,662,425.10-28,844,830.60

Finding the Fourth Proportional to 53,141,720.20, 79,662,425.10 and 28,844,830.60

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Solution

The fourth proportional to 53,141,720.20, 79,662,425.10 and 28,844,830.60 is: 43,240,022.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,141,720.20 : 79,662,425.10 = 28,844,830.60 : x
  2. Step 2: Convert to fraction form
    53,141,720.20/79,662,425.10 = 28,844,830.60/x
  3. Step 3: Cross multiply
    53,141,720.20x = 79,662,425.10 × 28,844,830.60
  4. Step 4: Simplify right side
    53,141,720.20x = 2,297,849,157,194,688
  5. Step 5: Solve for x
    x = 2,297,849,157,194,688/53,141,720.20
  6. Step 6: Final answer
    x = 43,240,022.12

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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.