Home / 142,878,143,835.47-214,317,215,679.39-53,348,129,062.72

Finding the Fourth Proportional to 142,878,143,835.47, 214,317,215,679.39 and 53,348,129,062.72

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Solution

The fourth proportional to 142,878,143,835.47, 214,317,215,679.39 and 53,348,129,062.72 is: 80,022,193,566.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,878,143,835.47 : 214,317,215,679.39 = 53,348,129,062.72 : x
  2. Step 2: Convert to fraction form
    142,878,143,835.47/214,317,215,679.39 = 53,348,129,062.72/x
  3. Step 3: Cross multiply
    142,878,143,835.47x = 214,317,215,679.39 × 53,348,129,062.72
  4. Step 4: Simplify right side
    142,878,143,835.47x = 11,433,422,482,426,254,327,808
  5. Step 5: Solve for x
    x = 11,433,422,482,426,254,327,808/142,878,143,835.47
  6. Step 6: Final answer
    x = 80,022,193,566.51

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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.