Home / 126,024,277.80-189,036,416.70-72,127,266.60

Finding the Fourth Proportional to 126,024,277.80, 189,036,416.70 and 72,127,266.60

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Solution

The fourth proportional to 126,024,277.80, 189,036,416.70 and 72,127,266.60 is: 108,190,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,024,277.80 : 189,036,416.70 = 72,127,266.60 : x
  2. Step 2: Convert to fraction form
    126,024,277.80/189,036,416.70 = 72,127,266.60/x
  3. Step 3: Cross multiply
    126,024,277.80x = 189,036,416.70 × 72,127,266.60
  4. Step 4: Simplify right side
    126,024,277.80x = 13,634,680,024,429,590
  5. Step 5: Solve for x
    x = 13,634,680,024,429,590/126,024,277.80
  6. Step 6: Final answer
    x = 108,190,899.90

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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.