Home / 243,237,603.60-335,663,744.40-131,727,538.80

Finding the Fourth Proportional to 243,237,603.60, 335,663,744.40 and 131,727,538.80

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Solution

The fourth proportional to 243,237,603.60, 335,663,744.40 and 131,727,538.80 is: 181,781,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,237,603.60 : 335,663,744.40 = 131,727,538.80 : x
  2. Step 2: Convert to fraction form
    243,237,603.60/335,663,744.40 = 131,727,538.80/x
  3. Step 3: Cross multiply
    243,237,603.60x = 335,663,744.40 × 131,727,538.80
  4. Step 4: Simplify right side
    243,237,603.60x = 44,216,158,914,204,280
  5. Step 5: Solve for x
    x = 44,216,158,914,204,280/243,237,603.60
  6. Step 6: Final answer
    x = 181,781,756.85

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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.