Home / 172,702,398.17-259,039,042.77-74,330,132.15

Finding the Fourth Proportional to 172,702,398.17, 259,039,042.77 and 74,330,132.15

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Solution

The fourth proportional to 172,702,398.17, 259,039,042.77 and 74,330,132.15 is: 111,488,934.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,702,398.17 : 259,039,042.77 = 74,330,132.15 : x
  2. Step 2: Convert to fraction form
    172,702,398.17/259,039,042.77 = 74,330,132.15/x
  3. Step 3: Cross multiply
    172,702,398.17x = 259,039,042.77 × 74,330,132.15
  4. Step 4: Simplify right side
    172,702,398.17x = 19,254,406,282,029,940
  5. Step 5: Solve for x
    x = 19,254,406,282,029,940/172,702,398.17
  6. Step 6: Final answer
    x = 111,488,934.06

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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.