Home / 84,661,400.76-127,004,720.12-30,069,399.84

Finding the Fourth Proportional to 84,661,400.76, 127,004,720.12 and 30,069,399.84

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Solution

The fourth proportional to 84,661,400.76, 127,004,720.12 and 30,069,399.84 is: 45,108,581.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,661,400.76 : 127,004,720.12 = 30,069,399.84 : x
  2. Step 2: Convert to fraction form
    84,661,400.76/127,004,720.12 = 30,069,399.84/x
  3. Step 3: Cross multiply
    84,661,400.76x = 127,004,720.12 × 30,069,399.84
  4. Step 4: Simplify right side
    84,661,400.76x = 3,818,955,710,855,573
  5. Step 5: Solve for x
    x = 3,818,955,710,855,573/84,661,400.76
  6. Step 6: Final answer
    x = 45,108,581.67

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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.