Home / 272,152,156.41-408,114,727.70-85,357,972.17

Finding the Fourth Proportional to 272,152,156.41, 408,114,727.70 and 85,357,972.17

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Solution

The fourth proportional to 272,152,156.41, 408,114,727.70 and 85,357,972.17 is: 128,001,357.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,152,156.41 : 408,114,727.70 = 85,357,972.17 : x
  2. Step 2: Convert to fraction form
    272,152,156.41/408,114,727.70 = 85,357,972.17/x
  3. Step 3: Cross multiply
    272,152,156.41x = 408,114,727.70 × 85,357,972.17
  4. Step 4: Simplify right side
    272,152,156.41x = 34,835,845,568,756,940
  5. Step 5: Solve for x
    x = 34,835,845,568,756,940/272,152,156.41
  6. Step 6: Final answer
    x = 128,001,357.87

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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.