Home / 66,103,344.60-99,155,016.90-40,237,258.20

Finding the Fourth Proportional to 66,103,344.60, 99,155,016.90 and 40,237,258.20

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Solution

The fourth proportional to 66,103,344.60, 99,155,016.90 and 40,237,258.20 is: 60,355,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,103,344.60 : 99,155,016.90 = 40,237,258.20 : x
  2. Step 2: Convert to fraction form
    66,103,344.60/99,155,016.90 = 40,237,258.20/x
  3. Step 3: Cross multiply
    66,103,344.60x = 99,155,016.90 × 40,237,258.20
  4. Step 4: Simplify right side
    66,103,344.60x = 3,989,726,016,830,664
  5. Step 5: Solve for x
    x = 3,989,726,016,830,664/66,103,344.60
  6. Step 6: Final answer
    x = 60,355,887.30

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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.