Home / 99,076,951.80-148,615,427.70-73,248,919.20

Finding the Fourth Proportional to 99,076,951.80, 148,615,427.70 and 73,248,919.20

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Solution

The fourth proportional to 99,076,951.80, 148,615,427.70 and 73,248,919.20 is: 109,873,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,076,951.80 : 148,615,427.70 = 73,248,919.20 : x
  2. Step 2: Convert to fraction form
    99,076,951.80/148,615,427.70 = 73,248,919.20/x
  3. Step 3: Cross multiply
    99,076,951.80x = 148,615,427.70 × 73,248,919.20
  4. Step 4: Simplify right side
    99,076,951.80x = 10,885,919,455,470,742
  5. Step 5: Solve for x
    x = 10,885,919,455,470,742/99,076,951.80
  6. Step 6: Final answer
    x = 109,873,378.80

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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.