Home / 129,749,090.50-179,054,219.44-70,210,387.14

Finding the Fourth Proportional to 129,749,090.50, 179,054,219.44 and 70,210,387.14

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Solution

The fourth proportional to 129,749,090.50, 179,054,219.44 and 70,210,387.14 is: 96,890,591.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,749,090.50 : 179,054,219.44 = 70,210,387.14 : x
  2. Step 2: Convert to fraction form
    129,749,090.50/179,054,219.44 = 70,210,387.14/x
  3. Step 3: Cross multiply
    129,749,090.50x = 179,054,219.44 × 70,210,387.14
  4. Step 4: Simplify right side
    129,749,090.50x = 12,571,466,065,932,914
  5. Step 5: Solve for x
    x = 12,571,466,065,932,914/129,749,090.50
  6. Step 6: Final answer
    x = 96,890,591.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.