Home / 119,756,007.70-179,634,011.55-81,492,255.70

Finding the Fourth Proportional to 119,756,007.70, 179,634,011.55 and 81,492,255.70

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Solution

The fourth proportional to 119,756,007.70, 179,634,011.55 and 81,492,255.70 is: 122,238,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,756,007.70 : 179,634,011.55 = 81,492,255.70 : x
  2. Step 2: Convert to fraction form
    119,756,007.70/179,634,011.55 = 81,492,255.70/x
  3. Step 3: Cross multiply
    119,756,007.70x = 179,634,011.55 × 81,492,255.70
  4. Step 4: Simplify right side
    119,756,007.70x = 14,638,780,801,649,354
  5. Step 5: Solve for x
    x = 14,638,780,801,649,354/119,756,007.70
  6. Step 6: Final answer
    x = 122,238,383.55

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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.