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Finding the Fourth Proportional to 277,995,477.87, 417,017,451.87 and 91,193,412.60

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Solution

The fourth proportional to 277,995,477.87, 417,017,451.87 and 91,193,412.60 is: 136,798,068.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,995,477.87 : 417,017,451.87 = 91,193,412.60 : x
  2. Step 2: Convert to fraction form
    277,995,477.87/417,017,451.87 = 91,193,412.60/x
  3. Step 3: Cross multiply
    277,995,477.87x = 417,017,451.87 × 91,193,412.60
  4. Step 4: Simplify right side
    277,995,477.87x = 38,029,244,549,781,552
  5. Step 5: Solve for x
    x = 38,029,244,549,781,552/277,995,477.87
  6. Step 6: Final answer
    x = 136,798,068.95

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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.