Home / 112,182,014.40-168,231,031.20-39,370,660.80

Finding the Fourth Proportional to 112,182,014.40, 168,231,031.20 and 39,370,660.80

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Solution

The fourth proportional to 112,182,014.40, 168,231,031.20 and 39,370,660.80 is: 59,041,254.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,182,014.40 : 168,231,031.20 = 39,370,660.80 : x
  2. Step 2: Convert to fraction form
    112,182,014.40/168,231,031.20 = 39,370,660.80/x
  3. Step 3: Cross multiply
    112,182,014.40x = 168,231,031.20 × 39,370,660.80
  4. Step 4: Simplify right side
    112,182,014.40x = 6,623,366,865,409,416
  5. Step 5: Solve for x
    x = 6,623,366,865,409,416/112,182,014.40
  6. Step 6: Final answer
    x = 59,041,254.53

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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.