Home / 74,101,779.90-111,072,953.70-28,025,845.20

Finding the Fourth Proportional to 74,101,779.90, 111,072,953.70 and 28,025,845.20

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Solution

The fourth proportional to 74,101,779.90, 111,072,953.70 and 28,025,845.20 is: 42,008,618.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,101,779.90 : 111,072,953.70 = 28,025,845.20 : x
  2. Step 2: Convert to fraction form
    74,101,779.90/111,072,953.70 = 28,025,845.20/x
  3. Step 3: Cross multiply
    74,101,779.90x = 111,072,953.70 × 28,025,845.20
  4. Step 4: Simplify right side
    74,101,779.90x = 3,112,913,406,302,967
  5. Step 5: Solve for x
    x = 3,112,913,406,302,967/74,101,779.90
  6. Step 6: Final answer
    x = 42,008,618.56

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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.