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Finding the Fourth Proportional to 117,484,349.81, 176,206,978.58 and 35,583,755.85

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Solution

The fourth proportional to 117,484,349.81, 176,206,978.58 and 35,583,755.85 is: 53,369,713.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,484,349.81 : 176,206,978.58 = 35,583,755.85 : x
  2. Step 2: Convert to fraction form
    117,484,349.81/176,206,978.58 = 35,583,755.85/x
  3. Step 3: Cross multiply
    117,484,349.81x = 176,206,978.58 × 35,583,755.85
  4. Step 4: Simplify right side
    117,484,349.81x = 6,270,106,104,678,981
  5. Step 5: Solve for x
    x = 6,270,106,104,678,981/117,484,349.81
  6. Step 6: Final answer
    x = 53,369,713.63

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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.