Home / 102,458,580.40-141,392,417.97-55,415,706.04

Finding the Fourth Proportional to 102,458,580.40, 141,392,417.97 and 55,415,706.04

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Solution

The fourth proportional to 102,458,580.40, 141,392,417.97 and 55,415,706.04 is: 76,473,445.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,458,580.40 : 141,392,417.97 = 55,415,706.04 : x
  2. Step 2: Convert to fraction form
    102,458,580.40/141,392,417.97 = 55,415,706.04/x
  3. Step 3: Cross multiply
    102,458,580.40x = 141,392,417.97 × 55,415,706.04
  4. Step 4: Simplify right side
    102,458,580.40x = 7,835,360,670,510,333
  5. Step 5: Solve for x
    x = 7,835,360,670,510,333/102,458,580.40
  6. Step 6: Final answer
    x = 76,473,445.56

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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.