Home / 334,226,799.72-500,747,084.64-139,709,421

Finding the Fourth Proportional to 334,226,799.72, 500,747,084.64 and 139,709,421

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Solution

The fourth proportional to 334,226,799.72, 500,747,084.64 and 139,709,421 is: 209,316,204.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,226,799.72 : 500,747,084.64 = 139,709,421 : x
  2. Step 2: Convert to fraction form
    334,226,799.72/500,747,084.64 = 139,709,421/x
  3. Step 3: Cross multiply
    334,226,799.72x = 500,747,084.64 × 139,709,421
  4. Step 4: Simplify right side
    334,226,799.72x = 69,959,085,262,492,392
  5. Step 5: Solve for x
    x = 69,959,085,262,492,392/334,226,799.72
  6. Step 6: Final answer
    x = 209,316,204.81

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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.