Home / 213,780,986.70-320,671,480.05-183,169,985.10

Finding the Fourth Proportional to 213,780,986.70, 320,671,480.05 and 183,169,985.10

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Solution

The fourth proportional to 213,780,986.70, 320,671,480.05 and 183,169,985.10 is: 274,754,977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,780,986.70 : 320,671,480.05 = 183,169,985.10 : x
  2. Step 2: Convert to fraction form
    213,780,986.70/320,671,480.05 = 183,169,985.10/x
  3. Step 3: Cross multiply
    213,780,986.70x = 320,671,480.05 × 183,169,985.10
  4. Step 4: Simplify right side
    213,780,986.70x = 58,737,390,222,753,448
  5. Step 5: Solve for x
    x = 58,737,390,222,753,448/213,780,986.70
  6. Step 6: Final answer
    x = 274,754,977.65

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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.