Home / 77,655,615.38-107,166,983.40-42,850,551.94

Finding the Fourth Proportional to 77,655,615.38, 107,166,983.40 and 42,850,551.94

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Solution

The fourth proportional to 77,655,615.38, 107,166,983.40 and 42,850,551.94 is: 59,134,994.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,655,615.38 : 107,166,983.40 = 42,850,551.94 : x
  2. Step 2: Convert to fraction form
    77,655,615.38/107,166,983.40 = 42,850,551.94/x
  3. Step 3: Cross multiply
    77,655,615.38x = 107,166,983.40 × 42,850,551.94
  4. Step 4: Simplify right side
    77,655,615.38x = 4,592,164,388,434,818
  5. Step 5: Solve for x
    x = 4,592,164,388,434,818/77,655,615.38
  6. Step 6: Final answer
    x = 59,134,994.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.