Home / 77,777,809.80-116,592,065.10-60,496,427.40

Finding the Fourth Proportional to 77,777,809.80, 116,592,065.10 and 60,496,427.40

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Solution

The fourth proportional to 77,777,809.80, 116,592,065.10 and 60,496,427.40 is: 90,686,577.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,777,809.80 : 116,592,065.10 = 60,496,427.40 : x
  2. Step 2: Convert to fraction form
    77,777,809.80/116,592,065.10 = 60,496,427.40/x
  3. Step 3: Cross multiply
    77,777,809.80x = 116,592,065.10 × 60,496,427.40
  4. Step 4: Simplify right side
    77,777,809.80x = 7,053,403,401,738,223
  5. Step 5: Solve for x
    x = 7,053,403,401,738,223/77,777,809.80
  6. Step 6: Final answer
    x = 90,686,577.83

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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.