Home / 389,788,272.44-584,756,150.22-156,637,134.14

Finding the Fourth Proportional to 389,788,272.44, 584,756,150.22 and 156,637,134.14

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Solution

The fourth proportional to 389,788,272.44, 584,756,150.22 and 156,637,134.14 is: 234,985,334.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,788,272.44 : 584,756,150.22 = 156,637,134.14 : x
  2. Step 2: Convert to fraction form
    389,788,272.44/584,756,150.22 = 156,637,134.14/x
  3. Step 3: Cross multiply
    389,788,272.44x = 584,756,150.22 × 156,637,134.14
  4. Step 4: Simplify right side
    389,788,272.44x = 91,594,527,541,200,128
  5. Step 5: Solve for x
    x = 91,594,527,541,200,128/389,788,272.44
  6. Step 6: Final answer
    x = 234,985,334.39

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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.