Home / 151,466,610.47-209,014,914.20-87,882,023.84

Finding the Fourth Proportional to 151,466,610.47, 209,014,914.20 and 87,882,023.84

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Solution

The fourth proportional to 151,466,610.47, 209,014,914.20 and 87,882,023.84 is: 121,271,966.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,466,610.47 : 209,014,914.20 = 87,882,023.84 : x
  2. Step 2: Convert to fraction form
    151,466,610.47/209,014,914.20 = 87,882,023.84/x
  3. Step 3: Cross multiply
    151,466,610.47x = 209,014,914.20 × 87,882,023.84
  4. Step 4: Simplify right side
    151,466,610.47x = 18,368,653,671,155,468
  5. Step 5: Solve for x
    x = 18,368,653,671,155,468/151,466,610.47
  6. Step 6: Final answer
    x = 121,271,966.24

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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.