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Finding the Fourth Proportional to 271,510,943.70, 407,266,415.55 and 98,993,385.30

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Solution

The fourth proportional to 271,510,943.70, 407,266,415.55 and 98,993,385.30 is: 148,490,077.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,510,943.70 : 407,266,415.55 = 98,993,385.30 : x
  2. Step 2: Convert to fraction form
    271,510,943.70/407,266,415.55 = 98,993,385.30/x
  3. Step 3: Cross multiply
    271,510,943.70x = 407,266,415.55 × 98,993,385.30
  4. Step 4: Simplify right side
    271,510,943.70x = 40,316,681,194,291,064
  5. Step 5: Solve for x
    x = 40,316,681,194,291,064/271,510,943.70
  6. Step 6: Final answer
    x = 148,490,077.95

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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.