Home / 118,617,669.70-177,926,504.55-72,701,167.30

Finding the Fourth Proportional to 118,617,669.70, 177,926,504.55 and 72,701,167.30

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Solution

The fourth proportional to 118,617,669.70, 177,926,504.55 and 72,701,167.30 is: 109,051,750.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,617,669.70 : 177,926,504.55 = 72,701,167.30 : x
  2. Step 2: Convert to fraction form
    118,617,669.70/177,926,504.55 = 72,701,167.30/x
  3. Step 3: Cross multiply
    118,617,669.70x = 177,926,504.55 × 72,701,167.30
  4. Step 4: Simplify right side
    118,617,669.70x = 12,935,464,574,393,762
  5. Step 5: Solve for x
    x = 12,935,464,574,393,762/118,617,669.70
  6. Step 6: Final answer
    x = 109,051,750.95

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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.