Home / 74,734,101.40-112,101,152.10-69,951,132.40

Finding the Fourth Proportional to 74,734,101.40, 112,101,152.10 and 69,951,132.40

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Solution

The fourth proportional to 74,734,101.40, 112,101,152.10 and 69,951,132.40 is: 104,926,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,734,101.40 : 112,101,152.10 = 69,951,132.40 : x
  2. Step 2: Convert to fraction form
    74,734,101.40/112,101,152.10 = 69,951,132.40/x
  3. Step 3: Cross multiply
    74,734,101.40x = 112,101,152.10 × 69,951,132.40
  4. Step 4: Simplify right side
    74,734,101.40x = 7,841,602,532,739,638
  5. Step 5: Solve for x
    x = 7,841,602,532,739,638/74,734,101.40
  6. Step 6: Final answer
    x = 104,926,698.60

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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.