Home / 346,110,678.54-518,999,499.63-115,918,780.86

Finding the Fourth Proportional to 346,110,678.54, 518,999,499.63 and 115,918,780.86

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Solution

The fourth proportional to 346,110,678.54, 518,999,499.63 and 115,918,780.86 is: 173,822,401.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,110,678.54 : 518,999,499.63 = 115,918,780.86 : x
  2. Step 2: Convert to fraction form
    346,110,678.54/518,999,499.63 = 115,918,780.86/x
  3. Step 3: Cross multiply
    346,110,678.54x = 518,999,499.63 × 115,918,780.86
  4. Step 4: Simplify right side
    346,110,678.54x = 60,161,789,264,059,624
  5. Step 5: Solve for x
    x = 60,161,789,264,059,624/346,110,678.54
  6. Step 6: Final answer
    x = 173,822,401.31

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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.