Home / 209,640,257.60-314,460,386.40-64,073,537.60

Finding the Fourth Proportional to 209,640,257.60, 314,460,386.40 and 64,073,537.60

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Solution

The fourth proportional to 209,640,257.60, 314,460,386.40 and 64,073,537.60 is: 96,110,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,640,257.60 : 314,460,386.40 = 64,073,537.60 : x
  2. Step 2: Convert to fraction form
    209,640,257.60/314,460,386.40 = 64,073,537.60/x
  3. Step 3: Cross multiply
    209,640,257.60x = 314,460,386.40 × 64,073,537.60
  4. Step 4: Simplify right side
    209,640,257.60x = 20,148,589,391,710,928
  5. Step 5: Solve for x
    x = 20,148,589,391,710,928/209,640,257.60
  6. Step 6: Final answer
    x = 96,110,306.40

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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.