Home / 53,142,955.20-79,714,432.80-14,810,385.60

Finding the Fourth Proportional to 53,142,955.20, 79,714,432.80 and 14,810,385.60

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Solution

The fourth proportional to 53,142,955.20, 79,714,432.80 and 14,810,385.60 is: 22,215,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,142,955.20 : 79,714,432.80 = 14,810,385.60 : x
  2. Step 2: Convert to fraction form
    53,142,955.20/79,714,432.80 = 14,810,385.60/x
  3. Step 3: Cross multiply
    53,142,955.20x = 79,714,432.80 × 14,810,385.60
  4. Step 4: Simplify right side
    53,142,955.20x = 1,180,601,487,653,287.50
  5. Step 5: Solve for x
    x = 1,180,601,487,653,287.50/53,142,955.20
  6. Step 6: Final answer
    x = 22,215,578.40

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Similar ratio
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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.