Home / 372,497,120.81-514,061,885.09-207,484,763.21

Finding the Fourth Proportional to 372,497,120.81, 514,061,885.09 and 207,484,763.21

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Solution

The fourth proportional to 372,497,120.81, 514,061,885.09 and 207,484,763.21 is: 286,337,806.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,497,120.81 : 514,061,885.09 = 207,484,763.21 : x
  2. Step 2: Convert to fraction form
    372,497,120.81/514,061,885.09 = 207,484,763.21/x
  3. Step 3: Cross multiply
    372,497,120.81x = 514,061,885.09 × 207,484,763.21
  4. Step 4: Simplify right side
    372,497,120.81x = 106,660,008,503,184,880
  5. Step 5: Solve for x
    x = 106,660,008,503,184,880/372,497,120.81
  6. Step 6: Final answer
    x = 286,337,806.51

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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.