Home / 75,043,667.80-103,418,726.70-60,142,065.40

Finding the Fourth Proportional to 75,043,667.80, 103,418,726.70 and 60,142,065.40

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Solution

The fourth proportional to 75,043,667.80, 103,418,726.70 and 60,142,065.40 is: 82,882,620.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,043,667.80 : 103,418,726.70 = 60,142,065.40 : x
  2. Step 2: Convert to fraction form
    75,043,667.80/103,418,726.70 = 60,142,065.40/x
  3. Step 3: Cross multiply
    75,043,667.80x = 103,418,726.70 × 60,142,065.40
  4. Step 4: Simplify right side
    75,043,667.80x = 6,219,815,824,776,126
  5. Step 5: Solve for x
    x = 6,219,815,824,776,126/75,043,667.80
  6. Step 6: Final answer
    x = 82,882,620.31

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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.