Home / 89,186,671.20-133,747,878.96-30,878,518.28

Finding the Fourth Proportional to 89,186,671.20, 133,747,878.96 and 30,878,518.28

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Solution

The fourth proportional to 89,186,671.20, 133,747,878.96 and 30,878,518.28 is: 46,306,654.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,186,671.20 : 133,747,878.96 = 30,878,518.28 : x
  2. Step 2: Convert to fraction form
    89,186,671.20/133,747,878.96 = 30,878,518.28/x
  3. Step 3: Cross multiply
    89,186,671.20x = 133,747,878.96 × 30,878,518.28
  4. Step 4: Simplify right side
    89,186,671.20x = 4,129,936,325,377,587.50
  5. Step 5: Solve for x
    x = 4,129,936,325,377,587.50/89,186,671.20
  6. Step 6: Final answer
    x = 46,306,654.01

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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.