Home / 123,920,129,153.79-185,918,128,968.96-63,457,216,699.68

Finding the Fourth Proportional to 123,920,129,153.79, 185,918,128,968.96 and 63,457,216,699.68

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Solution

The fourth proportional to 123,920,129,153.79, 185,918,128,968.96 and 63,457,216,699.68 is: 95,205,250,986.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,920,129,153.79 : 185,918,128,968.96 = 63,457,216,699.68 : x
  2. Step 2: Convert to fraction form
    123,920,129,153.79/185,918,128,968.96 = 63,457,216,699.68/x
  3. Step 3: Cross multiply
    123,920,129,153.79x = 185,918,128,968.96 × 63,457,216,699.68
  4. Step 4: Simplify right side
    123,920,129,153.79x = 11,797,846,998,382,347,812,864
  5. Step 5: Solve for x
    x = 11,797,846,998,382,347,812,864/123,920,129,153.79
  6. Step 6: Final answer
    x = 95,205,250,986.63

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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.