Home / 74,331,029.40-111,496,544.10-48,502,996.80

Finding the Fourth Proportional to 74,331,029.40, 111,496,544.10 and 48,502,996.80

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Solution

The fourth proportional to 74,331,029.40, 111,496,544.10 and 48,502,996.80 is: 72,754,495.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,331,029.40 : 111,496,544.10 = 48,502,996.80 : x
  2. Step 2: Convert to fraction form
    74,331,029.40/111,496,544.10 = 48,502,996.80/x
  3. Step 3: Cross multiply
    74,331,029.40x = 111,496,544.10 × 48,502,996.80
  4. Step 4: Simplify right side
    74,331,029.40x = 5,407,916,521,693,358
  5. Step 5: Solve for x
    x = 5,407,916,521,693,358/74,331,029.40
  6. Step 6: Final answer
    x = 72,754,495.20

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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.