Home / 145,497,978.10-200,757,236.45-83,606,359.24

Finding the Fourth Proportional to 145,497,978.10, 200,757,236.45 and 83,606,359.24

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Solution

The fourth proportional to 145,497,978.10, 200,757,236.45 and 83,606,359.24 is: 115,359,552.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,497,978.10 : 200,757,236.45 = 83,606,359.24 : x
  2. Step 2: Convert to fraction form
    145,497,978.10/200,757,236.45 = 83,606,359.24/x
  3. Step 3: Cross multiply
    145,497,978.10x = 200,757,236.45 × 83,606,359.24
  4. Step 4: Simplify right side
    145,497,978.10x = 16,784,581,630,668,320
  5. Step 5: Solve for x
    x = 16,784,581,630,668,320/145,497,978.10
  6. Step 6: Final answer
    x = 115,359,552.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.