Home / 156,785,009.28-216,375,429.96-94,063,467.60

Finding the Fourth Proportional to 156,785,009.28, 216,375,429.96 and 94,063,467.60

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Solution

The fourth proportional to 156,785,009.28, 216,375,429.96 and 94,063,467.60 is: 129,814,855.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,785,009.28 : 216,375,429.96 = 94,063,467.60 : x
  2. Step 2: Convert to fraction form
    156,785,009.28/216,375,429.96 = 94,063,467.60/x
  3. Step 3: Cross multiply
    156,785,009.28x = 216,375,429.96 × 94,063,467.60
  4. Step 4: Simplify right side
    156,785,009.28x = 20,353,023,245,478,528
  5. Step 5: Solve for x
    x = 20,353,023,245,478,528/156,785,009.28
  6. Step 6: Final answer
    x = 129,814,855.00

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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.