Home / 286,711,480.80-430,235,182.80-104,977,029.60

Finding the Fourth Proportional to 286,711,480.80, 430,235,182.80 and 104,977,029.60

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Solution

The fourth proportional to 286,711,480.80, 430,235,182.80 and 104,977,029.60 is: 157,527,042.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,711,480.80 : 430,235,182.80 = 104,977,029.60 : x
  2. Step 2: Convert to fraction form
    286,711,480.80/430,235,182.80 = 104,977,029.60/x
  3. Step 3: Cross multiply
    286,711,480.80x = 430,235,182.80 × 104,977,029.60
  4. Step 4: Simplify right side
    286,711,480.80x = 45,164,811,519,757,008
  5. Step 5: Solve for x
    x = 45,164,811,519,757,008/286,711,480.80
  6. Step 6: Final answer
    x = 157,527,042.15

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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.