Home / 358,980,957.12-538,527,109.85-151,720,240.38

Finding the Fourth Proportional to 358,980,957.12, 538,527,109.85 and 151,720,240.38

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Solution

The fourth proportional to 358,980,957.12, 538,527,109.85 and 151,720,240.38 is: 227,603,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,980,957.12 : 538,527,109.85 = 151,720,240.38 : x
  2. Step 2: Convert to fraction form
    358,980,957.12/538,527,109.85 = 151,720,240.38/x
  3. Step 3: Cross multiply
    358,980,957.12x = 538,527,109.85 × 151,720,240.38
  4. Step 4: Simplify right side
    358,980,957.12x = 81,705,462,557,588,672
  5. Step 5: Solve for x
    x = 81,705,462,557,588,672/358,980,957.12
  6. Step 6: Final answer
    x = 227,603,890.78

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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.