Home / 139,685,039,926.60-209,524,534,666.26-38,953,219,742.68

Finding the Fourth Proportional to 139,685,039,926.60, 209,524,534,666.26 and 38,953,219,742.68

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Solution

The fourth proportional to 139,685,039,926.60, 209,524,534,666.26 and 38,953,219,742.68 is: 58,428,985,986.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,685,039,926.60 : 209,524,534,666.26 = 38,953,219,742.68 : x
  2. Step 2: Convert to fraction form
    139,685,039,926.60/209,524,534,666.26 = 38,953,219,742.68/x
  3. Step 3: Cross multiply
    139,685,039,926.60x = 209,524,534,666.26 × 38,953,219,742.68
  4. Step 4: Simplify right side
    139,685,039,926.60x = 8,161,655,240,337,599,234,048
  5. Step 5: Solve for x
    x = 8,161,655,240,337,599,234,048/139,685,039,926.60
  6. Step 6: Final answer
    x = 58,428,985,986.09

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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.