Home / 77,891,628.20-116,837,442.30-74,304,401.45

Finding the Fourth Proportional to 77,891,628.20, 116,837,442.30 and 74,304,401.45

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Solution

The fourth proportional to 77,891,628.20, 116,837,442.30 and 74,304,401.45 is: 111,456,602.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,891,628.20 : 116,837,442.30 = 74,304,401.45 : x
  2. Step 2: Convert to fraction form
    77,891,628.20/116,837,442.30 = 74,304,401.45/x
  3. Step 3: Cross multiply
    77,891,628.20x = 116,837,442.30 × 74,304,401.45
  4. Step 4: Simplify right side
    77,891,628.20x = 8,681,536,217,050,411
  5. Step 5: Solve for x
    x = 8,681,536,217,050,411/77,891,628.20
  6. Step 6: Final answer
    x = 111,456,602.18

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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.