Home / 161,779,676,101.35-223,073,254,279.72-121,003,911,439.76

Finding the Fourth Proportional to 161,779,676,101.35, 223,073,254,279.72 and 121,003,911,439.76

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Solution

The fourth proportional to 161,779,676,101.35, 223,073,254,279.72 and 121,003,911,439.76 is: 166,848,747,357.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,779,676,101.35 : 223,073,254,279.72 = 121,003,911,439.76 : x
  2. Step 2: Convert to fraction form
    161,779,676,101.35/223,073,254,279.72 = 121,003,911,439.76/x
  3. Step 3: Cross multiply
    161,779,676,101.35x = 223,073,254,279.72 × 121,003,911,439.76
  4. Step 4: Simplify right side
    161,779,676,101.35x = 26,992,736,305,442,300,362,752
  5. Step 5: Solve for x
    x = 26,992,736,305,442,300,362,752/161,779,676,101.35
  6. Step 6: Final answer
    x = 166,848,747,357.69

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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.