Home / 78,176,243.50-107,883,343.13-43,368,935.04

Finding the Fourth Proportional to 78,176,243.50, 107,883,343.13 and 43,368,935.04

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Solution

The fourth proportional to 78,176,243.50, 107,883,343.13 and 43,368,935.04 is: 59,849,200.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,176,243.50 : 107,883,343.13 = 43,368,935.04 : x
  2. Step 2: Convert to fraction form
    78,176,243.50/107,883,343.13 = 43,368,935.04/x
  3. Step 3: Cross multiply
    78,176,243.50x = 107,883,343.13 × 43,368,935.04
  4. Step 4: Simplify right side
    78,176,243.50x = 4,678,785,699,886,156
  5. Step 5: Solve for x
    x = 4,678,785,699,886,156/78,176,243.50
  6. Step 6: Final answer
    x = 59,849,200.86

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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.