Home / 43,689,806.35-65,176,617.87-42,502,284.79

Finding the Fourth Proportional to 43,689,806.35, 65,176,617.87 and 42,502,284.79

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Solution

The fourth proportional to 43,689,806.35, 65,176,617.87 and 42,502,284.79 is: 63,405,068.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,689,806.35 : 65,176,617.87 = 42,502,284.79 : x
  2. Step 2: Convert to fraction form
    43,689,806.35/65,176,617.87 = 42,502,284.79/x
  3. Step 3: Cross multiply
    43,689,806.35x = 65,176,617.87 × 42,502,284.79
  4. Step 4: Simplify right side
    43,689,806.35x = 2,770,155,174,196,801.50
  5. Step 5: Solve for x
    x = 2,770,155,174,196,801.50/43,689,806.35
  6. Step 6: Final answer
    x = 63,405,068.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.