Home / 141,226,518.21-194,894,926.30-77,649,543.86

Finding the Fourth Proportional to 141,226,518.21, 194,894,926.30 and 77,649,543.86

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Solution

The fourth proportional to 141,226,518.21, 194,894,926.30 and 77,649,543.86 is: 107,157,652.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,226,518.21 : 194,894,926.30 = 77,649,543.86 : x
  2. Step 2: Convert to fraction form
    141,226,518.21/194,894,926.30 = 77,649,543.86/x
  3. Step 3: Cross multiply
    141,226,518.21x = 194,894,926.30 × 77,649,543.86
  4. Step 4: Simplify right side
    141,226,518.21x = 15,133,502,126,945,906
  5. Step 5: Solve for x
    x = 15,133,502,126,945,906/141,226,518.21
  6. Step 6: Final answer
    x = 107,157,652.25

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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.