Home / 91,146,277.40-136,782,401.70-65,609,115.80

Finding the Fourth Proportional to 91,146,277.40, 136,782,401.70 and 65,609,115.80

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Solution

The fourth proportional to 91,146,277.40, 136,782,401.70 and 65,609,115.80 is: 98,459,012.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,146,277.40 : 136,782,401.70 = 65,609,115.80 : x
  2. Step 2: Convert to fraction form
    91,146,277.40/136,782,401.70 = 65,609,115.80/x
  3. Step 3: Cross multiply
    91,146,277.40x = 136,782,401.70 × 65,609,115.80
  4. Step 4: Simplify right side
    91,146,277.40x = 8,974,172,432,537,416
  5. Step 5: Solve for x
    x = 8,974,172,432,537,416/91,146,277.40
  6. Step 6: Final answer
    x = 98,459,012.13

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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.