Home / 162,787,391.76-224,646,549.07-89,453,257.68

Finding the Fourth Proportional to 162,787,391.76, 224,646,549.07 and 89,453,257.68

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Solution

The fourth proportional to 162,787,391.76, 224,646,549.07 and 89,453,257.68 is: 123,445,467.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,787,391.76 : 224,646,549.07 = 89,453,257.68 : x
  2. Step 2: Convert to fraction form
    162,787,391.76/224,646,549.07 = 89,453,257.68/x
  3. Step 3: Cross multiply
    162,787,391.76x = 224,646,549.07 × 89,453,257.68
  4. Step 4: Simplify right side
    162,787,391.76x = 20,095,365,640,881,476
  5. Step 5: Solve for x
    x = 20,095,365,640,881,476/162,787,391.76
  6. Step 6: Final answer
    x = 123,445,467.27

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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.