Home / 172,431,023.60-258,646,535.40-153,724,300.40

Finding the Fourth Proportional to 172,431,023.60, 258,646,535.40 and 153,724,300.40

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Solution

The fourth proportional to 172,431,023.60, 258,646,535.40 and 153,724,300.40 is: 230,586,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,431,023.60 : 258,646,535.40 = 153,724,300.40 : x
  2. Step 2: Convert to fraction form
    172,431,023.60/258,646,535.40 = 153,724,300.40/x
  3. Step 3: Cross multiply
    172,431,023.60x = 258,646,535.40 × 153,724,300.40
  4. Step 4: Simplify right side
    172,431,023.60x = 39,760,257,705,248,840
  5. Step 5: Solve for x
    x = 39,760,257,705,248,840/172,431,023.60
  6. Step 6: Final answer
    x = 230,586,450.60

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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.