Home / 34,148,152.13-47,123,896.16-18,678,101.45

Finding the Fourth Proportional to 34,148,152.13, 47,123,896.16 and 18,678,101.45

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Solution

The fourth proportional to 34,148,152.13, 47,123,896.16 and 18,678,101.45 is: 25,775,477.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,148,152.13 : 47,123,896.16 = 18,678,101.45 : x
  2. Step 2: Convert to fraction form
    34,148,152.13/47,123,896.16 = 18,678,101.45/x
  3. Step 3: Cross multiply
    34,148,152.13x = 47,123,896.16 × 18,678,101.45
  4. Step 4: Simplify right side
    34,148,152.13x = 880,184,912,866,735.50
  5. Step 5: Solve for x
    x = 880,184,912,866,735.50/34,148,152.13
  6. Step 6: Final answer
    x = 25,775,477.09

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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.