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Finding the Fourth Proportional to 368,730,230.40, 553,024,486.80 and 109,953,892.80

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Solution

The fourth proportional to 368,730,230.40, 553,024,486.80 and 109,953,892.80 is: 164,909,709.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,730,230.40 : 553,024,486.80 = 109,953,892.80 : x
  2. Step 2: Convert to fraction form
    368,730,230.40/553,024,486.80 = 109,953,892.80/x
  3. Step 3: Cross multiply
    368,730,230.40x = 553,024,486.80 × 109,953,892.80
  4. Step 4: Simplify right side
    368,730,230.40x = 60,807,195,137,382,208
  5. Step 5: Solve for x
    x = 60,807,195,137,382,208/368,730,230.40
  6. Step 6: Final answer
    x = 164,909,709.39

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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.