Home / 257,329,083.40-385,993,625.10-65,852,859.40

Finding the Fourth Proportional to 257,329,083.40, 385,993,625.10 and 65,852,859.40

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Solution

The fourth proportional to 257,329,083.40, 385,993,625.10 and 65,852,859.40 is: 98,779,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,329,083.40 : 385,993,625.10 = 65,852,859.40 : x
  2. Step 2: Convert to fraction form
    257,329,083.40/385,993,625.10 = 65,852,859.40/x
  3. Step 3: Cross multiply
    257,329,083.40x = 385,993,625.10 × 65,852,859.40
  4. Step 4: Simplify right side
    257,329,083.40x = 25,418,783,923,006,612
  5. Step 5: Solve for x
    x = 25,418,783,923,006,612/257,329,083.40
  6. Step 6: Final answer
    x = 98,779,289.10

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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.