Home / 159,212,741.48-238,810,129.26-70,555,778.36

Finding the Fourth Proportional to 159,212,741.48, 238,810,129.26 and 70,555,778.36

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Solution

The fourth proportional to 159,212,741.48, 238,810,129.26 and 70,555,778.36 is: 105,829,686.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,212,741.48 : 238,810,129.26 = 70,555,778.36 : x
  2. Step 2: Convert to fraction form
    159,212,741.48/238,810,129.26 = 70,555,778.36/x
  3. Step 3: Cross multiply
    159,212,741.48x = 238,810,129.26 × 70,555,778.36
  4. Step 4: Simplify right side
    159,212,741.48x = 16,849,434,550,191,510
  5. Step 5: Solve for x
    x = 16,849,434,550,191,510/159,212,741.48
  6. Step 6: Final answer
    x = 105,829,686.70

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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.