Home / 88,706,940.70-133,060,411.05-82,071,420.70

Finding the Fourth Proportional to 88,706,940.70, 133,060,411.05 and 82,071,420.70

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Solution

The fourth proportional to 88,706,940.70, 133,060,411.05 and 82,071,420.70 is: 123,107,131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,706,940.70 : 133,060,411.05 = 82,071,420.70 : x
  2. Step 2: Convert to fraction form
    88,706,940.70/133,060,411.05 = 82,071,420.70/x
  3. Step 3: Cross multiply
    88,706,940.70x = 133,060,411.05 × 82,071,420.70
  4. Step 4: Simplify right side
    88,706,940.70x = 10,920,456,973,799,478
  5. Step 5: Solve for x
    x = 10,920,456,973,799,478/88,706,940.70
  6. Step 6: Final answer
    x = 123,107,131.05

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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.