Home / 67,713,647.40-101,570,471.10-66,705,877.80

Finding the Fourth Proportional to 67,713,647.40, 101,570,471.10 and 66,705,877.80

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Solution

The fourth proportional to 67,713,647.40, 101,570,471.10 and 66,705,877.80 is: 100,058,816.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,713,647.40 : 101,570,471.10 = 66,705,877.80 : x
  2. Step 2: Convert to fraction form
    67,713,647.40/101,570,471.10 = 66,705,877.80/x
  3. Step 3: Cross multiply
    67,713,647.40x = 101,570,471.10 × 66,705,877.80
  4. Step 4: Simplify right side
    67,713,647.40x = 6,775,347,433,285,031
  5. Step 5: Solve for x
    x = 6,775,347,433,285,031/67,713,647.40
  6. Step 6: Final answer
    x = 100,058,816.70

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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.