Home / 77,439,558-106,872,836.44-44,402,880.80

Finding the Fourth Proportional to 77,439,558, 106,872,836.44 and 44,402,880.80

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Solution

The fourth proportional to 77,439,558, 106,872,836.44 and 44,402,880.80 is: 61,279,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,439,558 : 106,872,836.44 = 44,402,880.80 : x
  2. Step 2: Convert to fraction form
    77,439,558/106,872,836.44 = 44,402,880.80/x
  3. Step 3: Cross multiply
    77,439,558x = 106,872,836.44 × 44,402,880.80
  4. Step 4: Simplify right side
    77,439,558x = 4,745,461,817,203,216
  5. Step 5: Solve for x
    x = 4,745,461,817,203,216/77,439,558
  6. Step 6: Final answer
    x = 61,279,557.11

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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.