Home / 98,926,660.60-136,516,157.56-57,109,314.68

Finding the Fourth Proportional to 98,926,660.60, 136,516,157.56 and 57,109,314.68

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Solution

The fourth proportional to 98,926,660.60, 136,516,157.56 and 57,109,314.68 is: 78,809,333.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,926,660.60 : 136,516,157.56 = 57,109,314.68 : x
  2. Step 2: Convert to fraction form
    98,926,660.60/136,516,157.56 = 57,109,314.68/x
  3. Step 3: Cross multiply
    98,926,660.60x = 136,516,157.56 × 57,109,314.68
  4. Step 4: Simplify right side
    98,926,660.60x = 7,796,344,200,998,501
  5. Step 5: Solve for x
    x = 7,796,344,200,998,501/98,926,660.60
  6. Step 6: Final answer
    x = 78,809,333.64

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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.