Home / 71,617,088.16-107,447,014-67,339,389.60

Finding the Fourth Proportional to 71,617,088.16, 107,447,014 and 67,339,389.60

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Solution

The fourth proportional to 71,617,088.16, 107,447,014 and 67,339,389.60 is: 101,029,189.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,617,088.16 : 107,447,014 = 67,339,389.60 : x
  2. Step 2: Convert to fraction form
    71,617,088.16/107,447,014 = 67,339,389.60/x
  3. Step 3: Cross multiply
    71,617,088.16x = 107,447,014 × 67,339,389.60
  4. Step 4: Simplify right side
    71,617,088.16x = 7,235,416,337,102,654
  5. Step 5: Solve for x
    x = 7,235,416,337,102,654/71,617,088.16
  6. Step 6: Final answer
    x = 101,029,189.02

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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.