Home / 79,089,989.84-109,145,312.71-45,598,806.36

Finding the Fourth Proportional to 79,089,989.84, 109,145,312.71 and 45,598,806.36

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Solution

The fourth proportional to 79,089,989.84, 109,145,312.71 and 45,598,806.36 is: 62,927,002.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,089,989.84 : 109,145,312.71 = 45,598,806.36 : x
  2. Step 2: Convert to fraction form
    79,089,989.84/109,145,312.71 = 45,598,806.36/x
  3. Step 3: Cross multiply
    79,089,989.84x = 109,145,312.71 × 45,598,806.36
  4. Step 4: Simplify right side
    79,089,989.84x = 4,976,895,979,364,936
  5. Step 5: Solve for x
    x = 4,976,895,979,364,936/79,089,989.84
  6. Step 6: Final answer
    x = 62,927,002.39

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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.