Home / 99,259,620.40-148,889,430.60-30,172,290.40

Finding the Fourth Proportional to 99,259,620.40, 148,889,430.60 and 30,172,290.40

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Solution

The fourth proportional to 99,259,620.40, 148,889,430.60 and 30,172,290.40 is: 45,258,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,259,620.40 : 148,889,430.60 = 30,172,290.40 : x
  2. Step 2: Convert to fraction form
    99,259,620.40/148,889,430.60 = 30,172,290.40/x
  3. Step 3: Cross multiply
    99,259,620.40x = 148,889,430.60 × 30,172,290.40
  4. Step 4: Simplify right side
    99,259,620.40x = 4,492,335,137,553,846
  5. Step 5: Solve for x
    x = 4,492,335,137,553,846/99,259,620.40
  6. Step 6: Final answer
    x = 45,258,435.60

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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.