Home / 79,709,537.60-119,585,301.60-28,586,225.60

Finding the Fourth Proportional to 79,709,537.60, 119,585,301.60 and 28,586,225.60

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Solution

The fourth proportional to 79,709,537.60, 119,585,301.60 and 28,586,225.60 is: 42,886,867.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,709,537.60 : 119,585,301.60 = 28,586,225.60 : x
  2. Step 2: Convert to fraction form
    79,709,537.60/119,585,301.60 = 28,586,225.60/x
  3. Step 3: Cross multiply
    79,709,537.60x = 119,585,301.60 × 28,586,225.60
  4. Step 4: Simplify right side
    79,709,537.60x = 3,418,492,409,981,641
  5. Step 5: Solve for x
    x = 3,418,492,409,981,641/79,709,537.60
  6. Step 6: Final answer
    x = 42,886,867.91

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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.