Home / 77,587,235.79-116,389,858.98-25,776,462.21

Finding the Fourth Proportional to 77,587,235.79, 116,389,858.98 and 25,776,462.21

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Solution

The fourth proportional to 77,587,235.79, 116,389,858.98 and 25,776,462.21 is: 38,667,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,587,235.79 : 116,389,858.98 = 25,776,462.21 : x
  2. Step 2: Convert to fraction form
    77,587,235.79/116,389,858.98 = 25,776,462.21/x
  3. Step 3: Cross multiply
    77,587,235.79x = 116,389,858.98 × 25,776,462.21
  4. Step 4: Simplify right side
    77,587,235.79x = 3,000,118,801,625,199.50
  5. Step 5: Solve for x
    x = 3,000,118,801,625,199.50/77,587,235.79
  6. Step 6: Final answer
    x = 38,667,685.10

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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.