Home / 105,504,291.60-158,256,437.40-79,638,205.20

Finding the Fourth Proportional to 105,504,291.60, 158,256,437.40 and 79,638,205.20

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Solution

The fourth proportional to 105,504,291.60, 158,256,437.40 and 79,638,205.20 is: 119,457,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,504,291.60 : 158,256,437.40 = 79,638,205.20 : x
  2. Step 2: Convert to fraction form
    105,504,291.60/158,256,437.40 = 79,638,205.20/x
  3. Step 3: Cross multiply
    105,504,291.60x = 158,256,437.40 × 79,638,205.20
  4. Step 4: Simplify right side
    105,504,291.60x = 12,603,258,635,882,156
  5. Step 5: Solve for x
    x = 12,603,258,635,882,156/105,504,291.60
  6. Step 6: Final answer
    x = 119,457,307.80

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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.