Home / 88,958,057.40-133,325,111.70-78,880,361.40

Finding the Fourth Proportional to 88,958,057.40, 133,325,111.70 and 78,880,361.40

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Solution

The fourth proportional to 88,958,057.40, 133,325,111.70 and 78,880,361.40 is: 118,221,252.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,958,057.40 : 133,325,111.70 = 78,880,361.40 : x
  2. Step 2: Convert to fraction form
    88,958,057.40/133,325,111.70 = 78,880,361.40/x
  3. Step 3: Cross multiply
    88,958,057.40x = 133,325,111.70 × 78,880,361.40
  4. Step 4: Simplify right side
    88,958,057.40x = 10,516,732,994,591,370
  5. Step 5: Solve for x
    x = 10,516,732,994,591,370/88,958,057.40
  6. Step 6: Final answer
    x = 118,221,252.82

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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.