Home / 133,607,133,279.12-184,378,572,829.98-78,676,702,876.56

Finding the Fourth Proportional to 133,607,133,279.12, 184,378,572,829.98 and 78,676,702,876.56

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Solution

The fourth proportional to 133,607,133,279.12, 184,378,572,829.98 and 78,676,702,876.56 is: 108,574,279,196.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,607,133,279.12 : 184,378,572,829.98 = 78,676,702,876.56 : x
  2. Step 2: Convert to fraction form
    133,607,133,279.12/184,378,572,829.98 = 78,676,702,876.56/x
  3. Step 3: Cross multiply
    133,607,133,279.12x = 184,378,572,829.98 × 78,676,702,876.56
  4. Step 4: Simplify right side
    133,607,133,279.12x = 14,506,298,191,348,515,209,216
  5. Step 5: Solve for x
    x = 14,506,298,191,348,515,209,216/133,607,133,279.12
  6. Step 6: Final answer
    x = 108,574,279,196.93

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1.5x scale

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.