Home / 77,343,155.54-106,731,424.74-42,535,858.64

Finding the Fourth Proportional to 77,343,155.54, 106,731,424.74 and 42,535,858.64

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Solution

The fourth proportional to 77,343,155.54, 106,731,424.74 and 42,535,858.64 is: 58,698,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,343,155.54 : 106,731,424.74 = 42,535,858.64 : x
  2. Step 2: Convert to fraction form
    77,343,155.54/106,731,424.74 = 42,535,858.64/x
  3. Step 3: Cross multiply
    77,343,155.54x = 106,731,424.74 × 42,535,858.64
  4. Step 4: Simplify right side
    77,343,155.54x = 4,539,912,795,186,439
  5. Step 5: Solve for x
    x = 4,539,912,795,186,439/77,343,155.54
  6. Step 6: Final answer
    x = 58,698,313.55

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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.