Home / 111,153,163.84-153,461,088.99-71,529,537.67

Finding the Fourth Proportional to 111,153,163.84, 153,461,088.99 and 71,529,537.67

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Solution

The fourth proportional to 111,153,163.84, 153,461,088.99 and 71,529,537.67 is: 98,755,630.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,153,163.84 : 153,461,088.99 = 71,529,537.67 : x
  2. Step 2: Convert to fraction form
    111,153,163.84/153,461,088.99 = 71,529,537.67/x
  3. Step 3: Cross multiply
    111,153,163.84x = 153,461,088.99 × 71,529,537.67
  4. Step 4: Simplify right side
    111,153,163.84x = 10,977,000,745,789,428
  5. Step 5: Solve for x
    x = 10,977,000,745,789,428/111,153,163.84
  6. Step 6: Final answer
    x = 98,755,630.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.