Home / 112,014,993.60-168,022,490.40-65,909,534.40

Finding the Fourth Proportional to 112,014,993.60, 168,022,490.40 and 65,909,534.40

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Solution

The fourth proportional to 112,014,993.60, 168,022,490.40 and 65,909,534.40 is: 98,864,301.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,014,993.60 : 168,022,490.40 = 65,909,534.40 : x
  2. Step 2: Convert to fraction form
    112,014,993.60/168,022,490.40 = 65,909,534.40/x
  3. Step 3: Cross multiply
    112,014,993.60x = 168,022,490.40 × 65,909,534.40
  4. Step 4: Simplify right side
    112,014,993.60x = 11,074,284,110,992,470
  5. Step 5: Solve for x
    x = 11,074,284,110,992,470/112,014,993.60
  6. Step 6: Final answer
    x = 98,864,301.60

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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.