Home / 126,036,000.40-189,054,000.60-30,297,888.40

Finding the Fourth Proportional to 126,036,000.40, 189,054,000.60 and 30,297,888.40

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Solution

The fourth proportional to 126,036,000.40, 189,054,000.60 and 30,297,888.40 is: 45,446,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,036,000.40 : 189,054,000.60 = 30,297,888.40 : x
  2. Step 2: Convert to fraction form
    126,036,000.40/189,054,000.60 = 30,297,888.40/x
  3. Step 3: Cross multiply
    126,036,000.40x = 189,054,000.60 × 30,297,888.40
  4. Step 4: Simplify right side
    126,036,000.40x = 5,727,937,011,752,333
  5. Step 5: Solve for x
    x = 5,727,937,011,752,333/126,036,000.40
  6. Step 6: Final answer
    x = 45,446,832.60

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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.