Home / 66,593,310.06-91,910,461.95-38,724,644.46

Finding the Fourth Proportional to 66,593,310.06, 91,910,461.95 and 38,724,644.46

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Solution

The fourth proportional to 66,593,310.06, 91,910,461.95 and 38,724,644.46 is: 53,446,809.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,593,310.06 : 91,910,461.95 = 38,724,644.46 : x
  2. Step 2: Convert to fraction form
    66,593,310.06/91,910,461.95 = 38,724,644.46/x
  3. Step 3: Cross multiply
    66,593,310.06x = 91,910,461.95 × 38,724,644.46
  4. Step 4: Simplify right side
    66,593,310.06x = 3,559,199,961,168,108.50
  5. Step 5: Solve for x
    x = 3,559,199,961,168,108.50/66,593,310.06
  6. Step 6: Final answer
    x = 53,446,809.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.