Home / 65,123,754.08-89,870,957.46-35,756,988.75

Finding the Fourth Proportional to 65,123,754.08, 89,870,957.46 and 35,756,988.75

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Solution

The fourth proportional to 65,123,754.08, 89,870,957.46 and 35,756,988.75 is: 49,344,741.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,123,754.08 : 89,870,957.46 = 35,756,988.75 : x
  2. Step 2: Convert to fraction form
    65,123,754.08/89,870,957.46 = 35,756,988.75/x
  3. Step 3: Cross multiply
    65,123,754.08x = 89,870,957.46 × 35,756,988.75
  4. Step 4: Simplify right side
    65,123,754.08x = 3,213,514,814,848,948.50
  5. Step 5: Solve for x
    x = 3,213,514,814,848,948.50/65,123,754.08
  6. Step 6: Final answer
    x = 49,344,741.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.