Home / 70,102,462.28-105,059,699.37-54,559,059.35

Finding the Fourth Proportional to 70,102,462.28, 105,059,699.37 and 54,559,059.35

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Solution

The fourth proportional to 70,102,462.28, 105,059,699.37 and 54,559,059.35 is: 81,765,435.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102,462.28 : 105,059,699.37 = 54,559,059.35 : x
  2. Step 2: Convert to fraction form
    70,102,462.28/105,059,699.37 = 54,559,059.35/x
  3. Step 3: Cross multiply
    70,102,462.28x = 105,059,699.37 × 54,559,059.35
  4. Step 4: Simplify right side
    70,102,462.28x = 5,731,958,372,695,689
  5. Step 5: Solve for x
    x = 5,731,958,372,695,689/70,102,462.28
  6. Step 6: Final answer
    x = 81,765,435.72

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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.