Home / 272,973,834.50-409,460,751.75-91,221,012.50

Finding the Fourth Proportional to 272,973,834.50, 409,460,751.75 and 91,221,012.50

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Solution

The fourth proportional to 272,973,834.50, 409,460,751.75 and 91,221,012.50 is: 136,831,518.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,973,834.50 : 409,460,751.75 = 91,221,012.50 : x
  2. Step 2: Convert to fraction form
    272,973,834.50/409,460,751.75 = 91,221,012.50/x
  3. Step 3: Cross multiply
    272,973,834.50x = 409,460,751.75 × 91,221,012.50
  4. Step 4: Simplify right side
    272,973,834.50x = 37,351,424,353,646,144
  5. Step 5: Solve for x
    x = 37,351,424,353,646,144/272,973,834.50
  6. Step 6: Final answer
    x = 136,831,518.75

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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.