Home / 118,436,846.06-163,430,264.67-65,505,142.49

Finding the Fourth Proportional to 118,436,846.06, 163,430,264.67 and 65,505,142.49

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Solution

The fourth proportional to 118,436,846.06, 163,430,264.67 and 65,505,142.49 is: 90,390,137.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,436,846.06 : 163,430,264.67 = 65,505,142.49 : x
  2. Step 2: Convert to fraction form
    118,436,846.06/163,430,264.67 = 65,505,142.49/x
  3. Step 3: Cross multiply
    118,436,846.06x = 163,430,264.67 × 65,505,142.49
  4. Step 4: Simplify right side
    118,436,846.06x = 10,705,522,774,386,762
  5. Step 5: Solve for x
    x = 10,705,522,774,386,762/118,436,846.06
  6. Step 6: Final answer
    x = 90,390,137.28

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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.