Home / 74,152,511.10-111,228,766.65-71,129,202.30

Finding the Fourth Proportional to 74,152,511.10, 111,228,766.65 and 71,129,202.30

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Solution

The fourth proportional to 74,152,511.10, 111,228,766.65 and 71,129,202.30 is: 106,693,803.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,152,511.10 : 111,228,766.65 = 71,129,202.30 : x
  2. Step 2: Convert to fraction form
    74,152,511.10/111,228,766.65 = 71,129,202.30/x
  3. Step 3: Cross multiply
    74,152,511.10x = 111,228,766.65 × 71,129,202.30
  4. Step 4: Simplify right side
    74,152,511.10x = 7,911,613,444,627,343
  5. Step 5: Solve for x
    x = 7,911,613,444,627,343/74,152,511.10
  6. Step 6: Final answer
    x = 106,693,803.45

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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.