Home / 66,430,256.55-99,645,384.83-18,561,200.55

Finding the Fourth Proportional to 66,430,256.55, 99,645,384.83 and 18,561,200.55

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Solution

The fourth proportional to 66,430,256.55, 99,645,384.83 and 18,561,200.55 is: 27,841,800.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,256.55 : 99,645,384.83 = 18,561,200.55 : x
  2. Step 2: Convert to fraction form
    66,430,256.55/99,645,384.83 = 18,561,200.55/x
  3. Step 3: Cross multiply
    66,430,256.55x = 99,645,384.83 × 18,561,200.55
  4. Step 4: Simplify right side
    66,430,256.55x = 1,849,537,971,618,751.75
  5. Step 5: Solve for x
    x = 1,849,537,971,618,751.75/66,430,256.55
  6. Step 6: Final answer
    x = 27,841,800.83

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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.