Home / 251,142,011.87-346,580,007.12-138,115,971.05

Finding the Fourth Proportional to 251,142,011.87, 346,580,007.12 and 138,115,971.05

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Solution

The fourth proportional to 251,142,011.87, 346,580,007.12 and 138,115,971.05 is: 190,602,256.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,142,011.87 : 346,580,007.12 = 138,115,971.05 : x
  2. Step 2: Convert to fraction form
    251,142,011.87/346,580,007.12 = 138,115,971.05/x
  3. Step 3: Cross multiply
    251,142,011.87x = 346,580,007.12 × 138,115,971.05
  4. Step 4: Simplify right side
    251,142,011.87x = 47,868,234,228,161,808
  5. Step 5: Solve for x
    x = 47,868,234,228,161,808/251,142,011.87
  6. Step 6: Final answer
    x = 190,602,256.76

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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.