Home / 293,419,901.70-439,849,916.55-109,138,032.90

Finding the Fourth Proportional to 293,419,901.70, 439,849,916.55 and 109,138,032.90

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Solution

The fourth proportional to 293,419,901.70, 439,849,916.55 and 109,138,032.90 is: 163,602,926.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,419,901.70 : 439,849,916.55 = 109,138,032.90 : x
  2. Step 2: Convert to fraction form
    293,419,901.70/439,849,916.55 = 109,138,032.90/x
  3. Step 3: Cross multiply
    293,419,901.70x = 439,849,916.55 × 109,138,032.90
  4. Step 4: Simplify right side
    293,419,901.70x = 48,004,354,663,496,160
  5. Step 5: Solve for x
    x = 48,004,354,663,496,160/293,419,901.70
  6. Step 6: Final answer
    x = 163,602,926.68

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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.