Home / 127,564,401.75-176,093,289.41-85,772,690.70

Finding the Fourth Proportional to 127,564,401.75, 176,093,289.41 and 85,772,690.70

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Solution

The fourth proportional to 127,564,401.75, 176,093,289.41 and 85,772,690.70 is: 118,402,901.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,564,401.75 : 176,093,289.41 = 85,772,690.70 : x
  2. Step 2: Convert to fraction form
    127,564,401.75/176,093,289.41 = 85,772,690.70/x
  3. Step 3: Cross multiply
    127,564,401.75x = 176,093,289.41 × 85,772,690.70
  4. Step 4: Simplify right side
    127,564,401.75x = 15,103,995,246,480,652
  5. Step 5: Solve for x
    x = 15,103,995,246,480,652/127,564,401.75
  6. Step 6: Final answer
    x = 118,402,901.12

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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.