Home / 154,426,734.48-231,639,915.84-39,411,289.10

Finding the Fourth Proportional to 154,426,734.48, 231,639,915.84 and 39,411,289.10

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Solution

The fourth proportional to 154,426,734.48, 231,639,915.84 and 39,411,289.10 is: 59,116,886.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,426,734.48 : 231,639,915.84 = 39,411,289.10 : x
  2. Step 2: Convert to fraction form
    154,426,734.48/231,639,915.84 = 39,411,289.10/x
  3. Step 3: Cross multiply
    154,426,734.48x = 231,639,915.84 × 39,411,289.10
  4. Step 4: Simplify right side
    154,426,734.48x = 9,129,227,690,269,910
  5. Step 5: Solve for x
    x = 9,129,227,690,269,910/154,426,734.48
  6. Step 6: Final answer
    x = 59,116,886.21

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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.