Home / 77,905,923.57-107,506,944.75-42,623,555.58

Finding the Fourth Proportional to 77,905,923.57, 107,506,944.75 and 42,623,555.58

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Solution

The fourth proportional to 77,905,923.57, 107,506,944.75 and 42,623,555.58 is: 58,818,739.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,905,923.57 : 107,506,944.75 = 42,623,555.58 : x
  2. Step 2: Convert to fraction form
    77,905,923.57/107,506,944.75 = 42,623,555.58/x
  3. Step 3: Cross multiply
    77,905,923.57x = 107,506,944.75 × 42,623,555.58
  4. Step 4: Simplify right side
    77,905,923.57x = 4,582,328,234,787,614
  5. Step 5: Solve for x
    x = 4,582,328,234,787,614/77,905,923.57
  6. Step 6: Final answer
    x = 58,818,739.64

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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.