Home / 139,685,040,131.60-209,524,534,973.40-38,953,219,948.40

Finding the Fourth Proportional to 139,685,040,131.60, 209,524,534,973.40 and 38,953,219,948.40

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Solution

The fourth proportional to 139,685,040,131.60, 209,524,534,973.40 and 38,953,219,948.40 is: 58,428,986,294.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,685,040,131.60 : 209,524,534,973.40 = 38,953,219,948.40 : x
  2. Step 2: Convert to fraction form
    139,685,040,131.60/209,524,534,973.40 = 38,953,219,948.40/x
  3. Step 3: Cross multiply
    139,685,040,131.60x = 209,524,534,973.40 × 38,953,219,948.40
  4. Step 4: Simplify right side
    139,685,040,131.60x = 8,161,655,295,405,078,872,064
  5. Step 5: Solve for x
    x = 8,161,655,295,405,078,872,064/139,685,040,131.60
  6. Step 6: Final answer
    x = 58,428,986,294.57

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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.