Home / 193,346,900.41-290,017,510.95-47,780,457.88

Finding the Fourth Proportional to 193,346,900.41, 290,017,510.95 and 47,780,457.88

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Solution

The fourth proportional to 193,346,900.41, 290,017,510.95 and 47,780,457.88 is: 71,669,985.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,346,900.41 : 290,017,510.95 = 47,780,457.88 : x
  2. Step 2: Convert to fraction form
    193,346,900.41/290,017,510.95 = 47,780,457.88/x
  3. Step 3: Cross multiply
    193,346,900.41x = 290,017,510.95 × 47,780,457.88
  4. Step 4: Simplify right side
    193,346,900.41x = 13,857,169,466,408,914
  5. Step 5: Solve for x
    x = 13,857,169,466,408,914/193,346,900.41
  6. Step 6: Final answer
    x = 71,669,985.07

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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.