Home / 75,735,047.80-113,602,571.70-66,381,686.20

Finding the Fourth Proportional to 75,735,047.80, 113,602,571.70 and 66,381,686.20

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Solution

The fourth proportional to 75,735,047.80, 113,602,571.70 and 66,381,686.20 is: 99,572,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,735,047.80 : 113,602,571.70 = 66,381,686.20 : x
  2. Step 2: Convert to fraction form
    75,735,047.80/113,602,571.70 = 66,381,686.20/x
  3. Step 3: Cross multiply
    75,735,047.80x = 113,602,571.70 × 66,381,686.20
  4. Step 4: Simplify right side
    75,735,047.80x = 7,541,130,266,102,401
  5. Step 5: Solve for x
    x = 7,541,130,266,102,401/75,735,047.80
  6. Step 6: Final answer
    x = 99,572,529.30

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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.