Home / 331,777,657.60-497,666,486.40-161,908,345.60

Finding the Fourth Proportional to 331,777,657.60, 497,666,486.40 and 161,908,345.60

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Solution

The fourth proportional to 331,777,657.60, 497,666,486.40 and 161,908,345.60 is: 242,862,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,777,657.60 : 497,666,486.40 = 161,908,345.60 : x
  2. Step 2: Convert to fraction form
    331,777,657.60/497,666,486.40 = 161,908,345.60/x
  3. Step 3: Cross multiply
    331,777,657.60x = 497,666,486.40 × 161,908,345.60
  4. Step 4: Simplify right side
    331,777,657.60x = 80,576,357,473,588,896
  5. Step 5: Solve for x
    x = 80,576,357,473,588,896/331,777,657.60
  6. Step 6: Final answer
    x = 242,862,518.40

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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.