Home / 293,414,948.70-440,122,423.05-140,359,940.70

Finding the Fourth Proportional to 293,414,948.70, 440,122,423.05 and 140,359,940.70

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Solution

The fourth proportional to 293,414,948.70, 440,122,423.05 and 140,359,940.70 is: 210,539,911.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,414,948.70 : 440,122,423.05 = 140,359,940.70 : x
  2. Step 2: Convert to fraction form
    293,414,948.70/440,122,423.05 = 140,359,940.70/x
  3. Step 3: Cross multiply
    293,414,948.70x = 440,122,423.05 × 140,359,940.70
  4. Step 4: Simplify right side
    293,414,948.70x = 61,775,557,200,038,312
  5. Step 5: Solve for x
    x = 61,775,557,200,038,312/293,414,948.70
  6. Step 6: Final answer
    x = 210,539,911.05

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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.