Home / 178,564,176,655.20-267,846,264,982.80-72,497,056,111.20

Finding the Fourth Proportional to 178,564,176,655.20, 267,846,264,982.80 and 72,497,056,111.20

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Solution

The fourth proportional to 178,564,176,655.20, 267,846,264,982.80 and 72,497,056,111.20 is: 108,745,584,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,564,176,655.20 : 267,846,264,982.80 = 72,497,056,111.20 : x
  2. Step 2: Convert to fraction form
    178,564,176,655.20/267,846,264,982.80 = 72,497,056,111.20/x
  3. Step 3: Cross multiply
    178,564,176,655.20x = 267,846,264,982.80 × 72,497,056,111.20
  4. Step 4: Simplify right side
    178,564,176,655.20x = 19,418,065,701,633,393,688,576
  5. Step 5: Solve for x
    x = 19,418,065,701,633,393,688,576/178,564,176,655.20
  6. Step 6: Final answer
    x = 108,745,584,166.80

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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.