Home / 148,328,561.76-204,678,666.72-85,624,860.66

Finding the Fourth Proportional to 148,328,561.76, 204,678,666.72 and 85,624,860.66

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Solution

The fourth proportional to 148,328,561.76, 204,678,666.72 and 85,624,860.66 is: 118,153,793.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,328,561.76 : 204,678,666.72 = 85,624,860.66 : x
  2. Step 2: Convert to fraction form
    148,328,561.76/204,678,666.72 = 85,624,860.66/x
  3. Step 3: Cross multiply
    148,328,561.76x = 204,678,666.72 × 85,624,860.66
  4. Step 4: Simplify right side
    148,328,561.76x = 17,525,582,317,974,578
  5. Step 5: Solve for x
    x = 17,525,582,317,974,578/148,328,561.76
  6. Step 6: Final answer
    x = 118,153,793.92

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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.