Home / 71,869,030.40-107,808,211.20-37,856,806.40

Finding the Fourth Proportional to 71,869,030.40, 107,808,211.20 and 37,856,806.40

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Solution

The fourth proportional to 71,869,030.40, 107,808,211.20 and 37,856,806.40 is: 56,787,667.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,869,030.40 : 107,808,211.20 = 37,856,806.40 : x
  2. Step 2: Convert to fraction form
    71,869,030.40/107,808,211.20 = 37,856,806.40/x
  3. Step 3: Cross multiply
    71,869,030.40x = 107,808,211.20 × 37,856,806.40
  4. Step 4: Simplify right side
    71,869,030.40x = 4,081,274,579,728,711.50
  5. Step 5: Solve for x
    x = 4,081,274,579,728,711.50/71,869,030.40
  6. Step 6: Final answer
    x = 56,787,667.19

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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.