Home / 161,779,676,105.85-223,073,254,285.92-121,003,911,444.27

Finding the Fourth Proportional to 161,779,676,105.85, 223,073,254,285.92 and 121,003,911,444.27

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Solution

The fourth proportional to 161,779,676,105.85, 223,073,254,285.92 and 121,003,911,444.27 is: 166,848,747,363.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,779,676,105.85 : 223,073,254,285.92 = 121,003,911,444.27 : x
  2. Step 2: Convert to fraction form
    161,779,676,105.85/223,073,254,285.92 = 121,003,911,444.27/x
  3. Step 3: Cross multiply
    161,779,676,105.85x = 223,073,254,285.92 × 121,003,911,444.27
  4. Step 4: Simplify right side
    161,779,676,105.85x = 26,992,736,307,198,589,665,280
  5. Step 5: Solve for x
    x = 26,992,736,307,198,589,665,280/161,779,676,105.85
  6. Step 6: Final answer
    x = 166,848,747,363.90

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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.