Home / 410,256,442.80-615,384,664.20-123,042,106.80

Finding the Fourth Proportional to 410,256,442.80, 615,384,664.20 and 123,042,106.80

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Solution

The fourth proportional to 410,256,442.80, 615,384,664.20 and 123,042,106.80 is: 184,563,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,256,442.80 : 615,384,664.20 = 123,042,106.80 : x
  2. Step 2: Convert to fraction form
    410,256,442.80/615,384,664.20 = 123,042,106.80/x
  3. Step 3: Cross multiply
    410,256,442.80x = 615,384,664.20 × 123,042,106.80
  4. Step 4: Simplify right side
    410,256,442.80x = 75,718,225,575,578,544
  5. Step 5: Solve for x
    x = 75,718,225,575,578,544/410,256,442.80
  6. Step 6: Final answer
    x = 184,563,160.20

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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.