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Finding the Fourth Proportional to 189,985,460.71, 284,999,448.71 and 60,563,043.49

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Solution

The fourth proportional to 189,985,460.71, 284,999,448.71 and 60,563,043.49 is: 90,851,341.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,985,460.71 : 284,999,448.71 = 60,563,043.49 : x
  2. Step 2: Convert to fraction form
    189,985,460.71/284,999,448.71 = 60,563,043.49/x
  3. Step 3: Cross multiply
    189,985,460.71x = 284,999,448.71 × 60,563,043.49
  4. Step 4: Simplify right side
    189,985,460.71x = 17,260,434,005,834,438
  5. Step 5: Solve for x
    x = 17,260,434,005,834,438/189,985,460.71
  6. Step 6: Final answer
    x = 90,851,341.68

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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.