Home / 129,030,404.70-193,545,607.05-97,179,908.70

Finding the Fourth Proportional to 129,030,404.70, 193,545,607.05 and 97,179,908.70

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Solution

The fourth proportional to 129,030,404.70, 193,545,607.05 and 97,179,908.70 is: 145,769,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,030,404.70 : 193,545,607.05 = 97,179,908.70 : x
  2. Step 2: Convert to fraction form
    129,030,404.70/193,545,607.05 = 97,179,908.70/x
  3. Step 3: Cross multiply
    129,030,404.70x = 193,545,607.05 × 97,179,908.70
  4. Step 4: Simplify right side
    129,030,404.70x = 18,808,744,422,405,080
  5. Step 5: Solve for x
    x = 18,808,744,422,405,080/129,030,404.70
  6. Step 6: Final answer
    x = 145,769,863.05

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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.