Home / 282,177,692.45-423,321,047.02-107,287,128.29

Finding the Fourth Proportional to 282,177,692.45, 423,321,047.02 and 107,287,128.29

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Solution

The fourth proportional to 282,177,692.45, 423,321,047.02 and 107,287,128.29 is: 160,951,417.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,177,692.45 : 423,321,047.02 = 107,287,128.29 : x
  2. Step 2: Convert to fraction form
    282,177,692.45/423,321,047.02 = 107,287,128.29/x
  3. Step 3: Cross multiply
    282,177,692.45x = 423,321,047.02 × 107,287,128.29
  4. Step 4: Simplify right side
    282,177,692.45x = 45,416,899,477,107,032
  5. Step 5: Solve for x
    x = 45,416,899,477,107,032/282,177,692.45
  6. Step 6: Final answer
    x = 160,951,417.11

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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.