Home / 52,123,580.37-78,205,963.89-19,784,066.92

Finding the Fourth Proportional to 52,123,580.37, 78,205,963.89 and 19,784,066.92

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Solution

The fourth proportional to 52,123,580.37, 78,205,963.89 and 19,784,066.92 is: 29,683,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,123,580.37 : 78,205,963.89 = 19,784,066.92 : x
  2. Step 2: Convert to fraction form
    52,123,580.37/78,205,963.89 = 19,784,066.92/x
  3. Step 3: Cross multiply
    52,123,580.37x = 78,205,963.89 × 19,784,066.92
  4. Step 4: Simplify right side
    52,123,580.37x = 1,547,232,023,142,863.75
  5. Step 5: Solve for x
    x = 1,547,232,023,142,863.75/52,123,580.37
  6. Step 6: Final answer
    x = 29,683,916.80

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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.