Home / 162,385,781.40-243,578,672.10-131,774,779.80

Finding the Fourth Proportional to 162,385,781.40, 243,578,672.10 and 131,774,779.80

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Solution

The fourth proportional to 162,385,781.40, 243,578,672.10 and 131,774,779.80 is: 197,662,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,385,781.40 : 243,578,672.10 = 131,774,779.80 : x
  2. Step 2: Convert to fraction form
    162,385,781.40/243,578,672.10 = 131,774,779.80/x
  3. Step 3: Cross multiply
    162,385,781.40x = 243,578,672.10 × 131,774,779.80
  4. Step 4: Simplify right side
    162,385,781.40x = 32,097,525,879,953,904
  5. Step 5: Solve for x
    x = 32,097,525,879,953,904/162,385,781.40
  6. Step 6: Final answer
    x = 197,662,169.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.