Home / 133,607,133,166.87-184,378,572,674.89-78,676,702,764.31

Finding the Fourth Proportional to 133,607,133,166.87, 184,378,572,674.89 and 78,676,702,764.31

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Solution

The fourth proportional to 133,607,133,166.87, 184,378,572,674.89 and 78,676,702,764.31 is: 108,574,279,041.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,607,133,166.87 : 184,378,572,674.89 = 78,676,702,764.31 : x
  2. Step 2: Convert to fraction form
    133,607,133,166.87/184,378,572,674.89 = 78,676,702,764.31/x
  3. Step 3: Cross multiply
    133,607,133,166.87x = 184,378,572,674.89 × 78,676,702,764.31
  4. Step 4: Simplify right side
    133,607,133,166.87x = 14,506,298,158,450,051,383,296
  5. Step 5: Solve for x
    x = 14,506,298,158,450,051,383,296/133,607,133,166.87
  6. Step 6: Final answer
    x = 108,574,279,041.92

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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.