Home / 100,931,558.29-139,285,674.70-54,521,812.67

Finding the Fourth Proportional to 100,931,558.29, 139,285,674.70 and 54,521,812.67

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Solution

The fourth proportional to 100,931,558.29, 139,285,674.70 and 54,521,812.67 is: 75,240,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,931,558.29 : 139,285,674.70 = 54,521,812.67 : x
  2. Step 2: Convert to fraction form
    100,931,558.29/139,285,674.70 = 54,521,812.67/x
  3. Step 3: Cross multiply
    100,931,558.29x = 139,285,674.70 × 54,521,812.67
  4. Step 4: Simplify right side
    100,931,558.29x = 7,594,107,462,775,225
  5. Step 5: Solve for x
    x = 7,594,107,462,775,225/100,931,558.29
  6. Step 6: Final answer
    x = 75,240,168.60

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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.