Home / 66,440,013.40-99,688,013.70-36,169,600.60

Finding the Fourth Proportional to 66,440,013.40, 99,688,013.70 and 36,169,600.60

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Solution

The fourth proportional to 66,440,013.40, 99,688,013.70 and 36,169,600.60 is: 54,269,640.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,440,013.40 : 99,688,013.70 = 36,169,600.60 : x
  2. Step 2: Convert to fraction form
    66,440,013.40/99,688,013.70 = 36,169,600.60/x
  3. Step 3: Cross multiply
    66,440,013.40x = 99,688,013.70 × 36,169,600.60
  4. Step 4: Simplify right side
    66,440,013.40x = 3,605,675,640,136,328.50
  5. Step 5: Solve for x
    x = 3,605,675,640,136,328.50/66,440,013.40
  6. Step 6: Final answer
    x = 54,269,640.47

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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.