Home / 73,921,178.55-101,999,893.64-42,553,164.12

Finding the Fourth Proportional to 73,921,178.55, 101,999,893.64 and 42,553,164.12

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Solution

The fourth proportional to 73,921,178.55, 101,999,893.64 and 42,553,164.12 is: 58,716,842.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,921,178.55 : 101,999,893.64 = 42,553,164.12 : x
  2. Step 2: Convert to fraction form
    73,921,178.55/101,999,893.64 = 42,553,164.12/x
  3. Step 3: Cross multiply
    73,921,178.55x = 101,999,893.64 × 42,553,164.12
  4. Step 4: Simplify right side
    73,921,178.55x = 4,340,418,214,072,698.50
  5. Step 5: Solve for x
    x = 4,340,418,214,072,698.50/73,921,178.55
  6. Step 6: Final answer
    x = 58,716,842.71

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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.