Home / 115,877,253.80-173,815,880.70-103,112,172.20

Finding the Fourth Proportional to 115,877,253.80, 173,815,880.70 and 103,112,172.20

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Solution

The fourth proportional to 115,877,253.80, 173,815,880.70 and 103,112,172.20 is: 154,668,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,877,253.80 : 173,815,880.70 = 103,112,172.20 : x
  2. Step 2: Convert to fraction form
    115,877,253.80/173,815,880.70 = 103,112,172.20/x
  3. Step 3: Cross multiply
    115,877,253.80x = 173,815,880.70 × 103,112,172.20
  4. Step 4: Simplify right side
    115,877,253.80x = 17,922,533,021,833,056
  5. Step 5: Solve for x
    x = 17,922,533,021,833,056/115,877,253.80
  6. Step 6: Final answer
    x = 154,668,258.30

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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.