Home / 142,878,143,836.97-214,317,215,681.64-53,348,129,064.22

Finding the Fourth Proportional to 142,878,143,836.97, 214,317,215,681.64 and 53,348,129,064.22

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Solution

The fourth proportional to 142,878,143,836.97, 214,317,215,681.64 and 53,348,129,064.22 is: 80,022,193,568.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,878,143,836.97 : 214,317,215,681.64 = 53,348,129,064.22 : x
  2. Step 2: Convert to fraction form
    142,878,143,836.97/214,317,215,681.64 = 53,348,129,064.22/x
  3. Step 3: Cross multiply
    142,878,143,836.97x = 214,317,215,681.64 × 53,348,129,064.22
  4. Step 4: Simplify right side
    142,878,143,836.97x = 11,433,422,482,868,405,272,576
  5. Step 5: Solve for x
    x = 11,433,422,482,868,405,272,576/142,878,143,836.97
  6. Step 6: Final answer
    x = 80,022,193,568.77

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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.