Home / 88,890,019.80-133,618,464.90-83,788,186.20

Finding the Fourth Proportional to 88,890,019.80, 133,618,464.90 and 83,788,186.20

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Solution

The fourth proportional to 88,890,019.80, 133,618,464.90 and 83,788,186.20 is: 125,949,446.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,890,019.80 : 133,618,464.90 = 83,788,186.20 : x
  2. Step 2: Convert to fraction form
    88,890,019.80/133,618,464.90 = 83,788,186.20/x
  3. Step 3: Cross multiply
    88,890,019.80x = 133,618,464.90 × 83,788,186.20
  4. Step 4: Simplify right side
    88,890,019.80x = 11,195,648,816,799,366
  5. Step 5: Solve for x
    x = 11,195,648,816,799,366/88,890,019.80
  6. Step 6: Final answer
    x = 125,949,446.77

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1.5x scale

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.