Home / 77,977,011.24-107,608,300.92-42,697,052.03

Finding the Fourth Proportional to 77,977,011.24, 107,608,300.92 and 42,697,052.03

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Solution

The fourth proportional to 77,977,011.24, 107,608,300.92 and 42,697,052.03 is: 58,921,945.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,977,011.24 : 107,608,300.92 = 42,697,052.03 : x
  2. Step 2: Convert to fraction form
    77,977,011.24/107,608,300.92 = 42,697,052.03/x
  3. Step 3: Cross multiply
    77,977,011.24x = 107,608,300.92 × 42,697,052.03
  4. Step 4: Simplify right side
    77,977,011.24x = 4,594,557,223,510,158
  5. Step 5: Solve for x
    x = 4,594,557,223,510,158/77,977,011.24
  6. Step 6: Final answer
    x = 58,921,945.72

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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.