Home / 77,653,581.04-107,164,184.17-42,848,513.45

Finding the Fourth Proportional to 77,653,581.04, 107,164,184.17 and 42,848,513.45

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Solution

The fourth proportional to 77,653,581.04, 107,164,184.17 and 42,848,513.45 is: 59,132,185.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,653,581.04 : 107,164,184.17 = 42,848,513.45 : x
  2. Step 2: Convert to fraction form
    77,653,581.04/107,164,184.17 = 42,848,513.45/x
  3. Step 3: Cross multiply
    77,653,581.04x = 107,164,184.17 × 42,848,513.45
  4. Step 4: Simplify right side
    77,653,581.04x = 4,591,825,986,230,701
  5. Step 5: Solve for x
    x = 4,591,825,986,230,701/77,653,581.04
  6. Step 6: Final answer
    x = 59,132,185.86

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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.