Home / 73,103,438.30-109,655,157.45-61,624,312.70

Finding the Fourth Proportional to 73,103,438.30, 109,655,157.45 and 61,624,312.70

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Solution

The fourth proportional to 73,103,438.30, 109,655,157.45 and 61,624,312.70 is: 92,436,469.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,103,438.30 : 109,655,157.45 = 61,624,312.70 : x
  2. Step 2: Convert to fraction form
    73,103,438.30/109,655,157.45 = 61,624,312.70/x
  3. Step 3: Cross multiply
    73,103,438.30x = 109,655,157.45 × 61,624,312.70
  4. Step 4: Simplify right side
    73,103,438.30x = 6,757,423,711,866,535
  5. Step 5: Solve for x
    x = 6,757,423,711,866,535/73,103,438.30
  6. Step 6: Final answer
    x = 92,436,469.05

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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.