Home / 77,634,612.77-116,408,222.28-25,791,460.65

Finding the Fourth Proportional to 77,634,612.77, 116,408,222.28 and 25,791,460.65

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Solution

The fourth proportional to 77,634,612.77, 116,408,222.28 and 25,791,460.65 is: 38,672,674.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,634,612.77 : 116,408,222.28 = 25,791,460.65 : x
  2. Step 2: Convert to fraction form
    77,634,612.77/116,408,222.28 = 25,791,460.65/x
  3. Step 3: Cross multiply
    77,634,612.77x = 116,408,222.28 × 25,791,460.65
  4. Step 4: Simplify right side
    77,634,612.77x = 3,002,338,084,271,073
  5. Step 5: Solve for x
    x = 3,002,338,084,271,073/77,634,612.77
  6. Step 6: Final answer
    x = 38,672,674.18

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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.