Home / 86,242,703.40-129,366,128.70-25,660,405.80

Finding the Fourth Proportional to 86,242,703.40, 129,366,128.70 and 25,660,405.80

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Solution

The fourth proportional to 86,242,703.40, 129,366,128.70 and 25,660,405.80 is: 38,491,225.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,242,703.40 : 129,366,128.70 = 25,660,405.80 : x
  2. Step 2: Convert to fraction form
    86,242,703.40/129,366,128.70 = 25,660,405.80/x
  3. Step 3: Cross multiply
    86,242,703.40x = 129,366,128.70 × 25,660,405.80
  4. Step 4: Simplify right side
    86,242,703.40x = 3,319,587,359,217,026.50
  5. Step 5: Solve for x
    x = 3,319,587,359,217,026.50/86,242,703.40
  6. Step 6: Final answer
    x = 38,491,225.67

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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.