Home / 79,492,283.20-119,238,424.80-43,118,099.20

Finding the Fourth Proportional to 79,492,283.20, 119,238,424.80 and 43,118,099.20

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Solution

The fourth proportional to 79,492,283.20, 119,238,424.80 and 43,118,099.20 is: 64,677,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,492,283.20 : 119,238,424.80 = 43,118,099.20 : x
  2. Step 2: Convert to fraction form
    79,492,283.20/119,238,424.80 = 43,118,099.20/x
  3. Step 3: Cross multiply
    79,492,283.20x = 119,238,424.80 × 43,118,099.20
  4. Step 4: Simplify right side
    79,492,283.20x = 5,141,334,228,978,140
  5. Step 5: Solve for x
    x = 5,141,334,228,978,140/79,492,283.20
  6. Step 6: Final answer
    x = 64,677,148.80

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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.