Home / 77,376,866.20-115,897,337.70-63,939,938.20

Finding the Fourth Proportional to 77,376,866.20, 115,897,337.70 and 63,939,938.20

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Solution

The fourth proportional to 77,376,866.20, 115,897,337.70 and 63,939,938.20 is: 95,771,113.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,376,866.20 : 115,897,337.70 = 63,939,938.20 : x
  2. Step 2: Convert to fraction form
    77,376,866.20/115,897,337.70 = 63,939,938.20/x
  3. Step 3: Cross multiply
    77,376,866.20x = 115,897,337.70 × 63,939,938.20
  4. Step 4: Simplify right side
    77,376,866.20x = 7,410,468,610,082,531
  5. Step 5: Solve for x
    x = 7,410,468,610,082,531/77,376,866.20
  6. Step 6: Final answer
    x = 95,771,113.18

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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.