Home / 99,073,400.80-148,610,101.20-74,886,930.40

Finding the Fourth Proportional to 99,073,400.80, 148,610,101.20 and 74,886,930.40

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Solution

The fourth proportional to 99,073,400.80, 148,610,101.20 and 74,886,930.40 is: 112,330,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,073,400.80 : 148,610,101.20 = 74,886,930.40 : x
  2. Step 2: Convert to fraction form
    99,073,400.80/148,610,101.20 = 74,886,930.40/x
  3. Step 3: Cross multiply
    99,073,400.80x = 148,610,101.20 × 74,886,930.40
  4. Step 4: Simplify right side
    99,073,400.80x = 11,128,954,305,301,356
  5. Step 5: Solve for x
    x = 11,128,954,305,301,356/99,073,400.80
  6. Step 6: Final answer
    x = 112,330,395.60

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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.