Home / 112,015,251.60-168,022,877.40-65,909,792.40

Finding the Fourth Proportional to 112,015,251.60, 168,022,877.40 and 65,909,792.40

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Solution

The fourth proportional to 112,015,251.60, 168,022,877.40 and 65,909,792.40 is: 98,864,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,015,251.60 : 168,022,877.40 = 65,909,792.40 : x
  2. Step 2: Convert to fraction form
    112,015,251.60/168,022,877.40 = 65,909,792.40/x
  3. Step 3: Cross multiply
    112,015,251.60x = 168,022,877.40 × 65,909,792.40
  4. Step 4: Simplify right side
    112,015,251.60x = 11,074,352,967,884,652
  5. Step 5: Solve for x
    x = 11,074,352,967,884,652/112,015,251.60
  6. Step 6: Final answer
    x = 98,864,688.60

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1.5x scale

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.