Home / 74,468,922.40-111,703,383.60-51,510,671.20

Finding the Fourth Proportional to 74,468,922.40, 111,703,383.60 and 51,510,671.20

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Solution

The fourth proportional to 74,468,922.40, 111,703,383.60 and 51,510,671.20 is: 77,266,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,468,922.40 : 111,703,383.60 = 51,510,671.20 : x
  2. Step 2: Convert to fraction form
    74,468,922.40/111,703,383.60 = 51,510,671.20/x
  3. Step 3: Cross multiply
    74,468,922.40x = 111,703,383.60 × 51,510,671.20
  4. Step 4: Simplify right side
    74,468,922.40x = 5,753,916,264,547,072
  5. Step 5: Solve for x
    x = 5,753,916,264,547,072/74,468,922.40
  6. Step 6: Final answer
    x = 77,266,006.80

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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.