Home / 99,660,659.40-149,490,989.10-63,150,662.70

Finding the Fourth Proportional to 99,660,659.40, 149,490,989.10 and 63,150,662.70

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Solution

The fourth proportional to 99,660,659.40, 149,490,989.10 and 63,150,662.70 is: 94,725,994.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,660,659.40 : 149,490,989.10 = 63,150,662.70 : x
  2. Step 2: Convert to fraction form
    99,660,659.40/149,490,989.10 = 63,150,662.70/x
  3. Step 3: Cross multiply
    99,660,659.40x = 149,490,989.10 × 63,150,662.70
  4. Step 4: Simplify right side
    99,660,659.40x = 9,440,455,029,343,476
  5. Step 5: Solve for x
    x = 9,440,455,029,343,476/99,660,659.40
  6. Step 6: Final answer
    x = 94,725,994.05

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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.