Home / 133,607,133,167.88-184,378,572,676.28-78,676,702,765.32

Finding the Fourth Proportional to 133,607,133,167.88, 184,378,572,676.28 and 78,676,702,765.32

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Solution

The fourth proportional to 133,607,133,167.88, 184,378,572,676.28 and 78,676,702,765.32 is: 108,574,279,043.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,607,133,167.88 : 184,378,572,676.28 = 78,676,702,765.32 : x
  2. Step 2: Convert to fraction form
    133,607,133,167.88/184,378,572,676.28 = 78,676,702,765.32/x
  3. Step 3: Cross multiply
    133,607,133,167.88x = 184,378,572,676.28 × 78,676,702,765.32
  4. Step 4: Simplify right side
    133,607,133,167.88x = 14,506,298,158,745,634,471,936
  5. Step 5: Solve for x
    x = 14,506,298,158,745,634,471,936/133,607,133,167.88
  6. Step 6: Final answer
    x = 108,574,279,043.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.