Home / 177,520,147.80-266,091,264.90-68,303,117.40

Finding the Fourth Proportional to 177,520,147.80, 266,091,264.90 and 68,303,117.40

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Solution

The fourth proportional to 177,520,147.80, 266,091,264.90 and 68,303,117.40 is: 102,381,972.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,520,147.80 : 266,091,264.90 = 68,303,117.40 : x
  2. Step 2: Convert to fraction form
    177,520,147.80/266,091,264.90 = 68,303,117.40/x
  3. Step 3: Cross multiply
    177,520,147.80x = 266,091,264.90 × 68,303,117.40
  4. Step 4: Simplify right side
    177,520,147.80x = 18,174,862,905,579,200
  5. Step 5: Solve for x
    x = 18,174,862,905,579,200/177,520,147.80
  6. Step 6: Final answer
    x = 102,381,972.59

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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.