Home / 60,577,571,751.12-90,868,208,779.08-20,782,788,377.76

Finding the Fourth Proportional to 60,577,571,751.12, 90,868,208,779.08 and 20,782,788,377.76

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Solution

The fourth proportional to 60,577,571,751.12, 90,868,208,779.08 and 20,782,788,377.76 is: 31,174,817,654.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,577,571,751.12 : 90,868,208,779.08 = 20,782,788,377.76 : x
  2. Step 2: Convert to fraction form
    60,577,571,751.12/90,868,208,779.08 = 20,782,788,377.76/x
  3. Step 3: Cross multiply
    60,577,571,751.12x = 90,868,208,779.08 × 20,782,788,377.76
  4. Step 4: Simplify right side
    60,577,571,751.12x = 1,888,494,753,321,732,800,512
  5. Step 5: Solve for x
    x = 1,888,494,753,321,732,800,512/60,577,571,751.12
  6. Step 6: Final answer
    x = 31,174,817,654.97

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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.