Home / 181,977,618.40-272,966,427.60-120,755,615.20

Finding the Fourth Proportional to 181,977,618.40, 272,966,427.60 and 120,755,615.20

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Solution

The fourth proportional to 181,977,618.40, 272,966,427.60 and 120,755,615.20 is: 181,133,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,977,618.40 : 272,966,427.60 = 120,755,615.20 : x
  2. Step 2: Convert to fraction form
    181,977,618.40/272,966,427.60 = 120,755,615.20/x
  3. Step 3: Cross multiply
    181,977,618.40x = 272,966,427.60 × 120,755,615.20
  4. Step 4: Simplify right side
    181,977,618.40x = 32,962,228,893,784,264
  5. Step 5: Solve for x
    x = 32,962,228,893,784,264/181,977,618.40
  6. Step 6: Final answer
    x = 181,133,422.80

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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.