Home / 77,205,750.40-115,808,625.60-26,087,031.10

Finding the Fourth Proportional to 77,205,750.40, 115,808,625.60 and 26,087,031.10

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Solution

The fourth proportional to 77,205,750.40, 115,808,625.60 and 26,087,031.10 is: 39,130,546.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,205,750.40 : 115,808,625.60 = 26,087,031.10 : x
  2. Step 2: Convert to fraction form
    77,205,750.40/115,808,625.60 = 26,087,031.10/x
  3. Step 3: Cross multiply
    77,205,750.40x = 115,808,625.60 × 26,087,031.10
  4. Step 4: Simplify right side
    77,205,750.40x = 3,021,103,217,675,456
  5. Step 5: Solve for x
    x = 3,021,103,217,675,456/77,205,750.40
  6. Step 6: Final answer
    x = 39,130,546.65

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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.