Home / 109,571,681.09-164,318,753.79-31,832,411.64

Finding the Fourth Proportional to 109,571,681.09, 164,318,753.79 and 31,832,411.64

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Solution

The fourth proportional to 109,571,681.09, 164,318,753.79 and 31,832,411.64 is: 47,737,354.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,571,681.09 : 164,318,753.79 = 31,832,411.64 : x
  2. Step 2: Convert to fraction form
    109,571,681.09/164,318,753.79 = 31,832,411.64/x
  3. Step 3: Cross multiply
    109,571,681.09x = 164,318,753.79 × 31,832,411.64
  4. Step 4: Simplify right side
    109,571,681.09x = 5,230,662,210,815,090
  5. Step 5: Solve for x
    x = 5,230,662,210,815,090/109,571,681.09
  6. Step 6: Final answer
    x = 47,737,354.75

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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.