Home / 112,213,615.40-168,278,432.70-39,402,261.80

Finding the Fourth Proportional to 112,213,615.40, 168,278,432.70 and 39,402,261.80

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Solution

The fourth proportional to 112,213,615.40, 168,278,432.70 and 39,402,261.80 is: 59,088,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,213,615.40 : 168,278,432.70 = 39,402,261.80 : x
  2. Step 2: Convert to fraction form
    112,213,615.40/168,278,432.70 = 39,402,261.80/x
  3. Step 3: Cross multiply
    112,213,615.40x = 168,278,432.70 × 39,402,261.80
  4. Step 4: Simplify right side
    112,213,615.40x = 6,630,550,860,539,080
  5. Step 5: Solve for x
    x = 6,630,550,860,539,080/112,213,615.40
  6. Step 6: Final answer
    x = 59,088,648.35

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1.5x scale

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.