Home / 109,619,467.20-164,429,200.80-64,232,510.40

Finding the Fourth Proportional to 109,619,467.20, 164,429,200.80 and 64,232,510.40

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Solution

The fourth proportional to 109,619,467.20, 164,429,200.80 and 64,232,510.40 is: 96,348,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,619,467.20 : 164,429,200.80 = 64,232,510.40 : x
  2. Step 2: Convert to fraction form
    109,619,467.20/164,429,200.80 = 64,232,510.40/x
  3. Step 3: Cross multiply
    109,619,467.20x = 164,429,200.80 × 64,232,510.40
  4. Step 4: Simplify right side
    109,619,467.20x = 10,561,700,350,449,688
  5. Step 5: Solve for x
    x = 10,561,700,350,449,688/109,619,467.20
  6. Step 6: Final answer
    x = 96,348,765.60

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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.