Home / 102,277,411.73-141,142,822.79-55,234,480.67

Finding the Fourth Proportional to 102,277,411.73, 141,142,822.79 and 55,234,480.67

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Solution

The fourth proportional to 102,277,411.73, 141,142,822.79 and 55,234,480.67 is: 76,223,580.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,277,411.73 : 141,142,822.79 = 55,234,480.67 : x
  2. Step 2: Convert to fraction form
    102,277,411.73/141,142,822.79 = 55,234,480.67/x
  3. Step 3: Cross multiply
    102,277,411.73x = 141,142,822.79 × 55,234,480.67
  4. Step 4: Simplify right side
    102,277,411.73x = 7,795,950,517,103,490
  5. Step 5: Solve for x
    x = 7,795,950,517,103,490/102,277,411.73
  6. Step 6: Final answer
    x = 76,223,580.41

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Double scale
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1.5x scale

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.