Home / 84,767,971.80-126,963,000.90-65,494,378.20

Finding the Fourth Proportional to 84,767,971.80, 126,963,000.90 and 65,494,378.20

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Solution

The fourth proportional to 84,767,971.80, 126,963,000.90 and 65,494,378.20 is: 98,095,573.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,767,971.80 : 126,963,000.90 = 65,494,378.20 : x
  2. Step 2: Convert to fraction form
    84,767,971.80/126,963,000.90 = 65,494,378.20/x
  3. Step 3: Cross multiply
    84,767,971.80x = 126,963,000.90 × 65,494,378.20
  4. Step 4: Simplify right side
    84,767,971.80x = 8,315,362,798,351,541
  5. Step 5: Solve for x
    x = 8,315,362,798,351,541/84,767,971.80
  6. Step 6: Final answer
    x = 98,095,573.38

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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.