Home / 72,253,714-99,697,262.46-40,891,615.60

Finding the Fourth Proportional to 72,253,714, 99,697,262.46 and 40,891,615.60

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Solution

The fourth proportional to 72,253,714, 99,697,262.46 and 40,891,615.60 is: 56,423,149.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,253,714 : 99,697,262.46 = 40,891,615.60 : x
  2. Step 2: Convert to fraction form
    72,253,714/99,697,262.46 = 40,891,615.60/x
  3. Step 3: Cross multiply
    72,253,714x = 99,697,262.46 × 40,891,615.60
  4. Step 4: Simplify right side
    72,253,714x = 4,076,782,132,886,630.50
  5. Step 5: Solve for x
    x = 4,076,782,132,886,630.50/72,253,714
  6. Step 6: Final answer
    x = 56,423,149.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.