Home / 66,738,810.30-100,108,215.45-59,180,538.30

Finding the Fourth Proportional to 66,738,810.30, 100,108,215.45 and 59,180,538.30

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Solution

The fourth proportional to 66,738,810.30, 100,108,215.45 and 59,180,538.30 is: 88,770,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,738,810.30 : 100,108,215.45 = 59,180,538.30 : x
  2. Step 2: Convert to fraction form
    66,738,810.30/100,108,215.45 = 59,180,538.30/x
  3. Step 3: Cross multiply
    66,738,810.30x = 100,108,215.45 × 59,180,538.30
  4. Step 4: Simplify right side
    66,738,810.30x = 5,924,458,078,583,377
  5. Step 5: Solve for x
    x = 5,924,458,078,583,377/66,738,810.30
  6. Step 6: Final answer
    x = 88,770,807.45

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1.5x scale

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.