Home / 77,225,838.60-115,836,986.70-38,877,054.60

Finding the Fourth Proportional to 77,225,838.60, 115,836,986.70 and 38,877,054.60

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Solution

The fourth proportional to 77,225,838.60, 115,836,986.70 and 38,877,054.60 is: 58,314,690.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,225,838.60 : 115,836,986.70 = 38,877,054.60 : x
  2. Step 2: Convert to fraction form
    77,225,838.60/115,836,986.70 = 38,877,054.60/x
  3. Step 3: Cross multiply
    77,225,838.60x = 115,836,986.70 × 38,877,054.60
  4. Step 4: Simplify right side
    77,225,838.60x = 4,503,400,856,635,374
  5. Step 5: Solve for x
    x = 4,503,400,856,635,374/77,225,838.60
  6. Step 6: Final answer
    x = 58,314,690.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.