Home / 275,860,699.78-380,780,014.79-164,386,509.05

Finding the Fourth Proportional to 275,860,699.78, 380,780,014.79 and 164,386,509.05

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Solution

The fourth proportional to 275,860,699.78, 380,780,014.79 and 164,386,509.05 is: 226,908,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,860,699.78 : 380,780,014.79 = 164,386,509.05 : x
  2. Step 2: Convert to fraction form
    275,860,699.78/380,780,014.79 = 164,386,509.05/x
  3. Step 3: Cross multiply
    275,860,699.78x = 380,780,014.79 × 164,386,509.05
  4. Step 4: Simplify right side
    275,860,699.78x = 62,595,097,346,697,440
  5. Step 5: Solve for x
    x = 62,595,097,346,697,440/275,860,699.78
  6. Step 6: Final answer
    x = 226,908,354.10

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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.