Home / 127,564,405.25-176,093,294.24-85,772,694.20

Finding the Fourth Proportional to 127,564,405.25, 176,093,294.24 and 85,772,694.20

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Solution

The fourth proportional to 127,564,405.25, 176,093,294.24 and 85,772,694.20 is: 118,402,905.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,564,405.25 : 176,093,294.24 = 85,772,694.20 : x
  2. Step 2: Convert to fraction form
    127,564,405.25/176,093,294.24 = 85,772,694.20/x
  3. Step 3: Cross multiply
    127,564,405.25x = 176,093,294.24 × 85,772,694.20
  4. Step 4: Simplify right side
    127,564,405.25x = 15,103,996,277,518,142
  5. Step 5: Solve for x
    x = 15,103,996,277,518,142/127,564,405.25
  6. Step 6: Final answer
    x = 118,402,905.95

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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.