Home / 145,156,766.40-217,483,207.20-94,012,459.20

Finding the Fourth Proportional to 145,156,766.40, 217,483,207.20 and 94,012,459.20

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Solution

The fourth proportional to 145,156,766.40, 217,483,207.20 and 94,012,459.20 is: 140,855,515.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,156,766.40 : 217,483,207.20 = 94,012,459.20 : x
  2. Step 2: Convert to fraction form
    145,156,766.40/217,483,207.20 = 94,012,459.20/x
  3. Step 3: Cross multiply
    145,156,766.40x = 217,483,207.20 × 94,012,459.20
  4. Step 4: Simplify right side
    145,156,766.40x = 20,446,131,143,575,144
  5. Step 5: Solve for x
    x = 20,446,131,143,575,144/145,156,766.40
  6. Step 6: Final answer
    x = 140,855,515.39

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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.