Home / 98,119,173.35-135,407,347.52-54,069,009.72

Finding the Fourth Proportional to 98,119,173.35, 135,407,347.52 and 54,069,009.72

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Solution

The fourth proportional to 98,119,173.35, 135,407,347.52 and 54,069,009.72 is: 74,616,825.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,119,173.35 : 135,407,347.52 = 54,069,009.72 : x
  2. Step 2: Convert to fraction form
    98,119,173.35/135,407,347.52 = 54,069,009.72/x
  3. Step 3: Cross multiply
    98,119,173.35x = 135,407,347.52 × 54,069,009.72
  4. Step 4: Simplify right side
    98,119,173.35x = 7,321,341,188,947,952
  5. Step 5: Solve for x
    x = 7,321,341,188,947,952/98,119,173.35
  6. Step 6: Final answer
    x = 74,616,825.02

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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.