Home / 133,607,133,237.12-184,378,572,771.93-78,676,702,834.56

Finding the Fourth Proportional to 133,607,133,237.12, 184,378,572,771.93 and 78,676,702,834.56

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Solution

The fourth proportional to 133,607,133,237.12, 184,378,572,771.93 and 78,676,702,834.56 is: 108,574,279,138.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,607,133,237.12 : 184,378,572,771.93 = 78,676,702,834.56 : x
  2. Step 2: Convert to fraction form
    133,607,133,237.12/184,378,572,771.93 = 78,676,702,834.56/x
  3. Step 3: Cross multiply
    133,607,133,237.12x = 184,378,572,771.93 × 78,676,702,834.56
  4. Step 4: Simplify right side
    133,607,133,237.12x = 14,506,298,179,037,431,857,152
  5. Step 5: Solve for x
    x = 14,506,298,179,037,431,857,152/133,607,133,237.12
  6. Step 6: Final answer
    x = 108,574,279,138.92

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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.