Home / 379,850,127.36-569,834,496-121,123,338.24

Finding the Fourth Proportional to 379,850,127.36, 569,834,496 and 121,123,338.24

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Solution

The fourth proportional to 379,850,127.36, 569,834,496 and 121,123,338.24 is: 181,703,918.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,850,127.36 : 569,834,496 = 121,123,338.24 : x
  2. Step 2: Convert to fraction form
    379,850,127.36/569,834,496 = 121,123,338.24/x
  3. Step 3: Cross multiply
    379,850,127.36x = 569,834,496 × 121,123,338.24
  4. Step 4: Simplify right side
    379,850,127.36x = 69,020,256,399,827,920
  5. Step 5: Solve for x
    x = 69,020,256,399,827,920/379,850,127.36
  6. Step 6: Final answer
    x = 181,703,918.02

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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.