Home / 99,657,009.20-149,485,513.80-92,004,258.80

Finding the Fourth Proportional to 99,657,009.20, 149,485,513.80 and 92,004,258.80

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Solution

The fourth proportional to 99,657,009.20, 149,485,513.80 and 92,004,258.80 is: 138,006,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,657,009.20 : 149,485,513.80 = 92,004,258.80 : x
  2. Step 2: Convert to fraction form
    99,657,009.20/149,485,513.80 = 92,004,258.80/x
  3. Step 3: Cross multiply
    99,657,009.20x = 149,485,513.80 × 92,004,258.80
  4. Step 4: Simplify right side
    99,657,009.20x = 13,753,303,898,506,172
  5. Step 5: Solve for x
    x = 13,753,303,898,506,172/99,657,009.20
  6. Step 6: Final answer
    x = 138,006,388.20

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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.