Home / 74,608,121-111,788,459.27-45,373,533.37

Finding the Fourth Proportional to 74,608,121, 111,788,459.27 and 45,373,533.37

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Solution

The fourth proportional to 74,608,121, 111,788,459.27 and 45,373,533.37 is: 67,985,057.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,608,121 : 111,788,459.27 = 45,373,533.37 : x
  2. Step 2: Convert to fraction form
    74,608,121/111,788,459.27 = 45,373,533.37/x
  3. Step 3: Cross multiply
    74,608,121x = 111,788,459.27 × 45,373,533.37
  4. Step 4: Simplify right side
    74,608,121x = 5,072,237,386,282,421
  5. Step 5: Solve for x
    x = 5,072,237,386,282,421/74,608,121
  6. Step 6: Final answer
    x = 67,985,057.37

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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.