Home / 102,458,642.90-141,392,504.49-55,415,768.90

Finding the Fourth Proportional to 102,458,642.90, 141,392,504.49 and 55,415,768.90

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Solution

The fourth proportional to 102,458,642.90, 141,392,504.49 and 55,415,768.90 is: 76,473,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,458,642.90 : 141,392,504.49 = 55,415,768.90 : x
  2. Step 2: Convert to fraction form
    102,458,642.90/141,392,504.49 = 55,415,768.90/x
  3. Step 3: Cross multiply
    102,458,642.90x = 141,392,504.49 × 55,415,768.90
  4. Step 4: Simplify right side
    102,458,642.90x = 7,835,374,353,010,053
  5. Step 5: Solve for x
    x = 7,835,374,353,010,053/102,458,642.90
  6. Step 6: Final answer
    x = 76,473,532.45

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1.5x scale

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.