Home / 146,791,038.40-220,257,416.40-103,567,170.40

Finding the Fourth Proportional to 146,791,038.40, 220,257,416.40 and 103,567,170.40

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Solution

The fourth proportional to 146,791,038.40, 220,257,416.40 and 103,567,170.40 is: 155,400,749.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,791,038.40 : 220,257,416.40 = 103,567,170.40 : x
  2. Step 2: Convert to fraction form
    146,791,038.40/220,257,416.40 = 103,567,170.40/x
  3. Step 3: Cross multiply
    146,791,038.40x = 220,257,416.40 × 103,567,170.40
  4. Step 4: Simplify right side
    146,791,038.40x = 22,811,437,376,162,556
  5. Step 5: Solve for x
    x = 22,811,437,376,162,556/146,791,038.40
  6. Step 6: Final answer
    x = 155,400,749.42

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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.