Home / 69,125,642.70-103,688,464.05-43,483,505.10

Finding the Fourth Proportional to 69,125,642.70, 103,688,464.05 and 43,483,505.10

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Solution

The fourth proportional to 69,125,642.70, 103,688,464.05 and 43,483,505.10 is: 65,225,257.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,125,642.70 : 103,688,464.05 = 43,483,505.10 : x
  2. Step 2: Convert to fraction form
    69,125,642.70/103,688,464.05 = 43,483,505.10/x
  3. Step 3: Cross multiply
    69,125,642.70x = 103,688,464.05 × 43,483,505.10
  4. Step 4: Simplify right side
    69,125,642.70x = 4,508,737,855,329,342
  5. Step 5: Solve for x
    x = 4,508,737,855,329,342/69,125,642.70
  6. Step 6: Final answer
    x = 65,225,257.65

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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.