Home / 129,030,412.20-193,545,618.30-97,179,916.20

Finding the Fourth Proportional to 129,030,412.20, 193,545,618.30 and 97,179,916.20

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Solution

The fourth proportional to 129,030,412.20, 193,545,618.30 and 97,179,916.20 is: 145,769,874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,030,412.20 : 193,545,618.30 = 97,179,916.20 : x
  2. Step 2: Convert to fraction form
    129,030,412.20/193,545,618.30 = 97,179,916.20/x
  3. Step 3: Cross multiply
    129,030,412.20x = 193,545,618.30 × 97,179,916.20
  4. Step 4: Simplify right side
    129,030,412.20x = 18,808,746,967,271,188
  5. Step 5: Solve for x
    x = 18,808,746,967,271,188/129,030,412.20
  6. Step 6: Final answer
    x = 145,769,874.30

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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.