Home / 93,312,707.70-139,969,061.55-81,975,299.70

Finding the Fourth Proportional to 93,312,707.70, 139,969,061.55 and 81,975,299.70

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Solution

The fourth proportional to 93,312,707.70, 139,969,061.55 and 81,975,299.70 is: 122,962,949.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,707.70 : 139,969,061.55 = 81,975,299.70 : x
  2. Step 2: Convert to fraction form
    93,312,707.70/139,969,061.55 = 81,975,299.70/x
  3. Step 3: Cross multiply
    93,312,707.70x = 139,969,061.55 × 81,975,299.70
  4. Step 4: Simplify right side
    93,312,707.70x = 11,474,005,769,288,998
  5. Step 5: Solve for x
    x = 11,474,005,769,288,998/93,312,707.70
  6. Step 6: Final answer
    x = 122,962,949.55

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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.