Home / 178,564,176,459.20-267,846,264,688.80-72,497,055,915.20

Finding the Fourth Proportional to 178,564,176,459.20, 267,846,264,688.80 and 72,497,055,915.20

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Solution

The fourth proportional to 178,564,176,459.20, 267,846,264,688.80 and 72,497,055,915.20 is: 108,745,583,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,564,176,459.20 : 267,846,264,688.80 = 72,497,055,915.20 : x
  2. Step 2: Convert to fraction form
    178,564,176,459.20/267,846,264,688.80 = 72,497,055,915.20/x
  3. Step 3: Cross multiply
    178,564,176,459.20x = 267,846,264,688.80 × 72,497,055,915.20
  4. Step 4: Simplify right side
    178,564,176,459.20x = 19,418,065,627,821,390,168,064
  5. Step 5: Solve for x
    x = 19,418,065,627,821,390,168,064/178,564,176,459.20
  6. Step 6: Final answer
    x = 108,745,583,872.80

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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.