Home / 119,411,836.71-164,795,117.52-71,741,671.25

Finding the Fourth Proportional to 119,411,836.71, 164,795,117.52 and 71,741,671.25

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Solution

The fourth proportional to 119,411,836.71, 164,795,117.52 and 71,741,671.25 is: 99,007,581.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,411,836.71 : 164,795,117.52 = 71,741,671.25 : x
  2. Step 2: Convert to fraction form
    119,411,836.71/164,795,117.52 = 71,741,671.25/x
  3. Step 3: Cross multiply
    119,411,836.71x = 164,795,117.52 × 71,741,671.25
  4. Step 4: Simplify right side
    119,411,836.71x = 11,822,677,144,170,012
  5. Step 5: Solve for x
    x = 11,822,677,144,170,012/119,411,836.71
  6. Step 6: Final answer
    x = 99,007,581.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.