Home / 108,645,681.92-162,966,155.52-51,106,059.84

Finding the Fourth Proportional to 108,645,681.92, 162,966,155.52 and 51,106,059.84

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Solution

The fourth proportional to 108,645,681.92, 162,966,155.52 and 51,106,059.84 is: 76,657,976.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,645,681.92 : 162,966,155.52 = 51,106,059.84 : x
  2. Step 2: Convert to fraction form
    108,645,681.92/162,966,155.52 = 51,106,059.84/x
  3. Step 3: Cross multiply
    108,645,681.92x = 162,966,155.52 × 51,106,059.84
  4. Step 4: Simplify right side
    108,645,681.92x = 8,328,558,095,899,867
  5. Step 5: Solve for x
    x = 8,328,558,095,899,867/108,645,681.92
  6. Step 6: Final answer
    x = 76,657,976.17

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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.